diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..3c3629e
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1 @@
+node_modules
diff --git a/Gruntfile.js b/Gruntfile.js
new file mode 100755
index 0000000..ed2a19c
--- /dev/null
+++ b/Gruntfile.js
@@ -0,0 +1,51 @@
+module.exports = function (grunt) {
+  grunt.loadNpmTasks('grunt-sass');
+  grunt.loadNpmTasks('grunt-contrib-cssmin');
+  grunt.loadNpmTasks('grunt-contrib-copy');
+  grunt.loadNpmTasks('grunt-contrib-uglify');
+
+  grunt.initConfig({
+    sass: {
+      options: {
+        outputStyle: 'expanded'
+      },
+      dist: {
+        files: {
+          'dist/gridstack.css': 'src/gridstack.scss',
+          'dist/gridstack-extra.css': 'src/gridstack-extra.scss'
+        }
+      }
+    },
+
+    cssmin: {
+      dist: {
+        files: {
+          'dist/gridstack.min.css': ['dist/gridstack.css'],
+          'dist/gridstack-extra.min.css': ['dist/gridstack-extra.css']
+        }
+      }
+    },
+
+    copy: {
+      dist: {
+        files: {
+          'dist/gridstack.js': ['src/gridstack.js']
+        }
+      }
+    },
+
+    uglify: {
+      options: {
+        sourceMap: true,
+        sourceMapName: 'dist/gridstack.min.map'
+      },
+      dist: {
+        files: {
+          'dist/gridstack.min.js': ['src/gridstack.js']
+        }
+      }
+    }
+  });
+
+  grunt.registerTask('default', ['sass', 'cssmin', 'copy', 'uglify']);
+};
diff --git a/dist/gridstack-extra.css b/dist/gridstack-extra.css
index 2ea5adb..0f51e59 100644
--- a/dist/gridstack-extra.css
+++ b/dist/gridstack-extra.css
@@ -1,15 +1,19 @@
 .grid-stack.grid-stack-1 > .grid-stack-item {
   min-width: 100%;
 }
+
 .grid-stack.grid-stack-1 > .grid-stack-item[data-gs-width='1'] {
   width: 100%;
 }
+
 .grid-stack.grid-stack-1 > .grid-stack-item[data-gs-x='1'] {
   left: 100%;
 }
+
 .grid-stack.grid-stack-1 > .grid-stack-item[data-gs-min-width='1'] {
   min-width: 100%;
 }
+
 .grid-stack.grid-stack-1 > .grid-stack-item[data-gs-max-width='1'] {
   max-width: 100%;
 }
@@ -17,67 +21,87 @@
 .grid-stack.grid-stack-2 > .grid-stack-item {
   min-width: 50%;
 }
+
 .grid-stack.grid-stack-2 > .grid-stack-item[data-gs-width='1'] {
   width: 50%;
 }
+
 .grid-stack.grid-stack-2 > .grid-stack-item[data-gs-x='1'] {
   left: 50%;
 }
+
 .grid-stack.grid-stack-2 > .grid-stack-item[data-gs-min-width='1'] {
   min-width: 50%;
 }
+
 .grid-stack.grid-stack-2 > .grid-stack-item[data-gs-max-width='1'] {
   max-width: 50%;
 }
+
 .grid-stack.grid-stack-2 > .grid-stack-item[data-gs-width='2'] {
   width: 100%;
 }
+
 .grid-stack.grid-stack-2 > .grid-stack-item[data-gs-x='2'] {
   left: 100%;
 }
+
 .grid-stack.grid-stack-2 > .grid-stack-item[data-gs-min-width='2'] {
   min-width: 100%;
 }
+
 .grid-stack.grid-stack-2 > .grid-stack-item[data-gs-max-width='2'] {
   max-width: 100%;
 }
 
 .grid-stack.grid-stack-3 > .grid-stack-item {
-  min-width: 33.33333333%;
+  min-width: 33.3333333333%;
 }
+
 .grid-stack.grid-stack-3 > .grid-stack-item[data-gs-width='1'] {
-  width: 33.33333333%;
+  width: 33.3333333333%;
 }
+
 .grid-stack.grid-stack-3 > .grid-stack-item[data-gs-x='1'] {
-  left: 33.33333333%;
+  left: 33.3333333333%;
 }
+
 .grid-stack.grid-stack-3 > .grid-stack-item[data-gs-min-width='1'] {
-  min-width: 33.33333333%;
+  min-width: 33.3333333333%;
 }
+
 .grid-stack.grid-stack-3 > .grid-stack-item[data-gs-max-width='1'] {
-  max-width: 33.33333333%;
+  max-width: 33.3333333333%;
 }
+
 .grid-stack.grid-stack-3 > .grid-stack-item[data-gs-width='2'] {
-  width: 66.66666667%;
+  width: 66.6666666667%;
 }
+
 .grid-stack.grid-stack-3 > .grid-stack-item[data-gs-x='2'] {
-  left: 66.66666667%;
+  left: 66.6666666667%;
 }
+
 .grid-stack.grid-stack-3 > .grid-stack-item[data-gs-min-width='2'] {
-  min-width: 66.66666667%;
+  min-width: 66.6666666667%;
 }
+
 .grid-stack.grid-stack-3 > .grid-stack-item[data-gs-max-width='2'] {
-  max-width: 66.66666667%;
+  max-width: 66.6666666667%;
 }
+
 .grid-stack.grid-stack-3 > .grid-stack-item[data-gs-width='3'] {
   width: 100%;
 }
+
 .grid-stack.grid-stack-3 > .grid-stack-item[data-gs-x='3'] {
   left: 100%;
 }
+
 .grid-stack.grid-stack-3 > .grid-stack-item[data-gs-min-width='3'] {
   min-width: 100%;
 }
+
 .grid-stack.grid-stack-3 > .grid-stack-item[data-gs-max-width='3'] {
   max-width: 100%;
 }
@@ -85,51 +109,67 @@
 .grid-stack.grid-stack-4 > .grid-stack-item {
   min-width: 25%;
 }
+
 .grid-stack.grid-stack-4 > .grid-stack-item[data-gs-width='1'] {
   width: 25%;
 }
+
 .grid-stack.grid-stack-4 > .grid-stack-item[data-gs-x='1'] {
   left: 25%;
 }
+
 .grid-stack.grid-stack-4 > .grid-stack-item[data-gs-min-width='1'] {
   min-width: 25%;
 }
+
 .grid-stack.grid-stack-4 > .grid-stack-item[data-gs-max-width='1'] {
   max-width: 25%;
 }
+
 .grid-stack.grid-stack-4 > .grid-stack-item[data-gs-width='2'] {
   width: 50%;
 }
+
 .grid-stack.grid-stack-4 > .grid-stack-item[data-gs-x='2'] {
   left: 50%;
 }
+
 .grid-stack.grid-stack-4 > .grid-stack-item[data-gs-min-width='2'] {
   min-width: 50%;
 }
+
 .grid-stack.grid-stack-4 > .grid-stack-item[data-gs-max-width='2'] {
   max-width: 50%;
 }
+
 .grid-stack.grid-stack-4 > .grid-stack-item[data-gs-width='3'] {
   width: 75%;
 }
+
 .grid-stack.grid-stack-4 > .grid-stack-item[data-gs-x='3'] {
   left: 75%;
 }
+
 .grid-stack.grid-stack-4 > .grid-stack-item[data-gs-min-width='3'] {
   min-width: 75%;
 }
+
 .grid-stack.grid-stack-4 > .grid-stack-item[data-gs-max-width='3'] {
   max-width: 75%;
 }
+
 .grid-stack.grid-stack-4 > .grid-stack-item[data-gs-width='4'] {
   width: 100%;
 }
+
 .grid-stack.grid-stack-4 > .grid-stack-item[data-gs-x='4'] {
   left: 100%;
 }
+
 .grid-stack.grid-stack-4 > .grid-stack-item[data-gs-min-width='4'] {
   min-width: 100%;
 }
+
 .grid-stack.grid-stack-4 > .grid-stack-item[data-gs-max-width='4'] {
   max-width: 100%;
 }
@@ -137,227 +177,299 @@
 .grid-stack.grid-stack-5 > .grid-stack-item {
   min-width: 20%;
 }
+
 .grid-stack.grid-stack-5 > .grid-stack-item[data-gs-width='1'] {
   width: 20%;
 }
+
 .grid-stack.grid-stack-5 > .grid-stack-item[data-gs-x='1'] {
   left: 20%;
 }
+
 .grid-stack.grid-stack-5 > .grid-stack-item[data-gs-min-width='1'] {
   min-width: 20%;
 }
+
 .grid-stack.grid-stack-5 > .grid-stack-item[data-gs-max-width='1'] {
   max-width: 20%;
 }
+
 .grid-stack.grid-stack-5 > .grid-stack-item[data-gs-width='2'] {
   width: 40%;
 }
+
 .grid-stack.grid-stack-5 > .grid-stack-item[data-gs-x='2'] {
   left: 40%;
 }
+
 .grid-stack.grid-stack-5 > .grid-stack-item[data-gs-min-width='2'] {
   min-width: 40%;
 }
+
 .grid-stack.grid-stack-5 > .grid-stack-item[data-gs-max-width='2'] {
   max-width: 40%;
 }
+
 .grid-stack.grid-stack-5 > .grid-stack-item[data-gs-width='3'] {
   width: 60%;
 }
+
 .grid-stack.grid-stack-5 > .grid-stack-item[data-gs-x='3'] {
   left: 60%;
 }
+
 .grid-stack.grid-stack-5 > .grid-stack-item[data-gs-min-width='3'] {
   min-width: 60%;
 }
+
 .grid-stack.grid-stack-5 > .grid-stack-item[data-gs-max-width='3'] {
   max-width: 60%;
 }
+
 .grid-stack.grid-stack-5 > .grid-stack-item[data-gs-width='4'] {
   width: 80%;
 }
+
 .grid-stack.grid-stack-5 > .grid-stack-item[data-gs-x='4'] {
   left: 80%;
 }
+
 .grid-stack.grid-stack-5 > .grid-stack-item[data-gs-min-width='4'] {
   min-width: 80%;
 }
+
 .grid-stack.grid-stack-5 > .grid-stack-item[data-gs-max-width='4'] {
   max-width: 80%;
 }
+
 .grid-stack.grid-stack-5 > .grid-stack-item[data-gs-width='5'] {
   width: 100%;
 }
+
 .grid-stack.grid-stack-5 > .grid-stack-item[data-gs-x='5'] {
   left: 100%;
 }
+
 .grid-stack.grid-stack-5 > .grid-stack-item[data-gs-min-width='5'] {
   min-width: 100%;
 }
+
 .grid-stack.grid-stack-5 > .grid-stack-item[data-gs-max-width='5'] {
   max-width: 100%;
 }
 
 .grid-stack.grid-stack-6 > .grid-stack-item {
-  min-width: 16.66666667%;
+  min-width: 16.6666666667%;
 }
+
 .grid-stack.grid-stack-6 > .grid-stack-item[data-gs-width='1'] {
-  width: 16.66666667%;
+  width: 16.6666666667%;
 }
+
 .grid-stack.grid-stack-6 > .grid-stack-item[data-gs-x='1'] {
-  left: 16.66666667%;
+  left: 16.6666666667%;
 }
+
 .grid-stack.grid-stack-6 > .grid-stack-item[data-gs-min-width='1'] {
-  min-width: 16.66666667%;
+  min-width: 16.6666666667%;
 }
+
 .grid-stack.grid-stack-6 > .grid-stack-item[data-gs-max-width='1'] {
-  max-width: 16.66666667%;
+  max-width: 16.6666666667%;
 }
+
 .grid-stack.grid-stack-6 > .grid-stack-item[data-gs-width='2'] {
-  width: 33.33333333%;
+  width: 33.3333333333%;
 }
+
 .grid-stack.grid-stack-6 > .grid-stack-item[data-gs-x='2'] {
-  left: 33.33333333%;
+  left: 33.3333333333%;
 }
+
 .grid-stack.grid-stack-6 > .grid-stack-item[data-gs-min-width='2'] {
-  min-width: 33.33333333%;
+  min-width: 33.3333333333%;
 }
+
 .grid-stack.grid-stack-6 > .grid-stack-item[data-gs-max-width='2'] {
-  max-width: 33.33333333%;
+  max-width: 33.3333333333%;
 }
+
 .grid-stack.grid-stack-6 > .grid-stack-item[data-gs-width='3'] {
   width: 50%;
 }
+
 .grid-stack.grid-stack-6 > .grid-stack-item[data-gs-x='3'] {
   left: 50%;
 }
+
 .grid-stack.grid-stack-6 > .grid-stack-item[data-gs-min-width='3'] {
   min-width: 50%;
 }
+
 .grid-stack.grid-stack-6 > .grid-stack-item[data-gs-max-width='3'] {
   max-width: 50%;
 }
+
 .grid-stack.grid-stack-6 > .grid-stack-item[data-gs-width='4'] {
-  width: 66.66666667%;
+  width: 66.6666666667%;
 }
+
 .grid-stack.grid-stack-6 > .grid-stack-item[data-gs-x='4'] {
-  left: 66.66666667%;
+  left: 66.6666666667%;
 }
+
 .grid-stack.grid-stack-6 > .grid-stack-item[data-gs-min-width='4'] {
-  min-width: 66.66666667%;
+  min-width: 66.6666666667%;
 }
+
 .grid-stack.grid-stack-6 > .grid-stack-item[data-gs-max-width='4'] {
-  max-width: 66.66666667%;
+  max-width: 66.6666666667%;
 }
+
 .grid-stack.grid-stack-6 > .grid-stack-item[data-gs-width='5'] {
-  width: 83.33333333%;
+  width: 83.3333333333%;
 }
+
 .grid-stack.grid-stack-6 > .grid-stack-item[data-gs-x='5'] {
-  left: 83.33333333%;
+  left: 83.3333333333%;
 }
+
 .grid-stack.grid-stack-6 > .grid-stack-item[data-gs-min-width='5'] {
-  min-width: 83.33333333%;
+  min-width: 83.3333333333%;
 }
+
 .grid-stack.grid-stack-6 > .grid-stack-item[data-gs-max-width='5'] {
-  max-width: 83.33333333%;
+  max-width: 83.3333333333%;
 }
+
 .grid-stack.grid-stack-6 > .grid-stack-item[data-gs-width='6'] {
   width: 100%;
 }
+
 .grid-stack.grid-stack-6 > .grid-stack-item[data-gs-x='6'] {
   left: 100%;
 }
+
 .grid-stack.grid-stack-6 > .grid-stack-item[data-gs-min-width='6'] {
   min-width: 100%;
 }
+
 .grid-stack.grid-stack-6 > .grid-stack-item[data-gs-max-width='6'] {
   max-width: 100%;
 }
 
 .grid-stack.grid-stack-7 > .grid-stack-item {
-  min-width: 14.28571429%;
+  min-width: 14.2857142857%;
 }
+
 .grid-stack.grid-stack-7 > .grid-stack-item[data-gs-width='1'] {
-  width: 14.28571429%;
+  width: 14.2857142857%;
 }
+
 .grid-stack.grid-stack-7 > .grid-stack-item[data-gs-x='1'] {
-  left: 14.28571429%;
+  left: 14.2857142857%;
 }
+
 .grid-stack.grid-stack-7 > .grid-stack-item[data-gs-min-width='1'] {
-  min-width: 14.28571429%;
+  min-width: 14.2857142857%;
 }
+
 .grid-stack.grid-stack-7 > .grid-stack-item[data-gs-max-width='1'] {
-  max-width: 14.28571429%;
+  max-width: 14.2857142857%;
 }
+
 .grid-stack.grid-stack-7 > .grid-stack-item[data-gs-width='2'] {
-  width: 28.57142857%;
+  width: 28.5714285714%;
 }
+
 .grid-stack.grid-stack-7 > .grid-stack-item[data-gs-x='2'] {
-  left: 28.57142857%;
+  left: 28.5714285714%;
 }
+
 .grid-stack.grid-stack-7 > .grid-stack-item[data-gs-min-width='2'] {
-  min-width: 28.57142857%;
+  min-width: 28.5714285714%;
 }
+
 .grid-stack.grid-stack-7 > .grid-stack-item[data-gs-max-width='2'] {
-  max-width: 28.57142857%;
+  max-width: 28.5714285714%;
 }
+
 .grid-stack.grid-stack-7 > .grid-stack-item[data-gs-width='3'] {
-  width: 42.85714286%;
+  width: 42.8571428571%;
 }
+
 .grid-stack.grid-stack-7 > .grid-stack-item[data-gs-x='3'] {
-  left: 42.85714286%;
+  left: 42.8571428571%;
 }
+
 .grid-stack.grid-stack-7 > .grid-stack-item[data-gs-min-width='3'] {
-  min-width: 42.85714286%;
+  min-width: 42.8571428571%;
 }
+
 .grid-stack.grid-stack-7 > .grid-stack-item[data-gs-max-width='3'] {
-  max-width: 42.85714286%;
+  max-width: 42.8571428571%;
 }
+
 .grid-stack.grid-stack-7 > .grid-stack-item[data-gs-width='4'] {
-  width: 57.14285714%;
+  width: 57.1428571429%;
 }
+
 .grid-stack.grid-stack-7 > .grid-stack-item[data-gs-x='4'] {
-  left: 57.14285714%;
+  left: 57.1428571429%;
 }
+
 .grid-stack.grid-stack-7 > .grid-stack-item[data-gs-min-width='4'] {
-  min-width: 57.14285714%;
+  min-width: 57.1428571429%;
 }
+
 .grid-stack.grid-stack-7 > .grid-stack-item[data-gs-max-width='4'] {
-  max-width: 57.14285714%;
+  max-width: 57.1428571429%;
 }
+
 .grid-stack.grid-stack-7 > .grid-stack-item[data-gs-width='5'] {
-  width: 71.42857143%;
+  width: 71.4285714286%;
 }
+
 .grid-stack.grid-stack-7 > .grid-stack-item[data-gs-x='5'] {
-  left: 71.42857143%;
+  left: 71.4285714286%;
 }
+
 .grid-stack.grid-stack-7 > .grid-stack-item[data-gs-min-width='5'] {
-  min-width: 71.42857143%;
+  min-width: 71.4285714286%;
 }
+
 .grid-stack.grid-stack-7 > .grid-stack-item[data-gs-max-width='5'] {
-  max-width: 71.42857143%;
+  max-width: 71.4285714286%;
 }
+
 .grid-stack.grid-stack-7 > .grid-stack-item[data-gs-width='6'] {
-  width: 85.71428571%;
+  width: 85.7142857143%;
 }
+
 .grid-stack.grid-stack-7 > .grid-stack-item[data-gs-x='6'] {
-  left: 85.71428571%;
+  left: 85.7142857143%;
 }
+
 .grid-stack.grid-stack-7 > .grid-stack-item[data-gs-min-width='6'] {
-  min-width: 85.71428571%;
+  min-width: 85.7142857143%;
 }
+
 .grid-stack.grid-stack-7 > .grid-stack-item[data-gs-max-width='6'] {
-  max-width: 85.71428571%;
+  max-width: 85.7142857143%;
 }
+
 .grid-stack.grid-stack-7 > .grid-stack-item[data-gs-width='7'] {
   width: 100%;
 }
+
 .grid-stack.grid-stack-7 > .grid-stack-item[data-gs-x='7'] {
   left: 100%;
 }
+
 .grid-stack.grid-stack-7 > .grid-stack-item[data-gs-min-width='7'] {
   min-width: 100%;
 }
+
 .grid-stack.grid-stack-7 > .grid-stack-item[data-gs-max-width='7'] {
   max-width: 100%;
 }
@@ -365,211 +477,279 @@
 .grid-stack.grid-stack-8 > .grid-stack-item {
   min-width: 12.5%;
 }
+
 .grid-stack.grid-stack-8 > .grid-stack-item[data-gs-width='1'] {
   width: 12.5%;
 }
+
 .grid-stack.grid-stack-8 > .grid-stack-item[data-gs-x='1'] {
   left: 12.5%;
 }
+
 .grid-stack.grid-stack-8 > .grid-stack-item[data-gs-min-width='1'] {
   min-width: 12.5%;
 }
+
 .grid-stack.grid-stack-8 > .grid-stack-item[data-gs-max-width='1'] {
   max-width: 12.5%;
 }
+
 .grid-stack.grid-stack-8 > .grid-stack-item[data-gs-width='2'] {
   width: 25%;
 }
+
 .grid-stack.grid-stack-8 > .grid-stack-item[data-gs-x='2'] {
   left: 25%;
 }
+
 .grid-stack.grid-stack-8 > .grid-stack-item[data-gs-min-width='2'] {
   min-width: 25%;
 }
+
 .grid-stack.grid-stack-8 > .grid-stack-item[data-gs-max-width='2'] {
   max-width: 25%;
 }
+
 .grid-stack.grid-stack-8 > .grid-stack-item[data-gs-width='3'] {
   width: 37.5%;
 }
+
 .grid-stack.grid-stack-8 > .grid-stack-item[data-gs-x='3'] {
   left: 37.5%;
 }
+
 .grid-stack.grid-stack-8 > .grid-stack-item[data-gs-min-width='3'] {
   min-width: 37.5%;
 }
+
 .grid-stack.grid-stack-8 > .grid-stack-item[data-gs-max-width='3'] {
   max-width: 37.5%;
 }
+
 .grid-stack.grid-stack-8 > .grid-stack-item[data-gs-width='4'] {
   width: 50%;
 }
+
 .grid-stack.grid-stack-8 > .grid-stack-item[data-gs-x='4'] {
   left: 50%;
 }
+
 .grid-stack.grid-stack-8 > .grid-stack-item[data-gs-min-width='4'] {
   min-width: 50%;
 }
+
 .grid-stack.grid-stack-8 > .grid-stack-item[data-gs-max-width='4'] {
   max-width: 50%;
 }
+
 .grid-stack.grid-stack-8 > .grid-stack-item[data-gs-width='5'] {
   width: 62.5%;
 }
+
 .grid-stack.grid-stack-8 > .grid-stack-item[data-gs-x='5'] {
   left: 62.5%;
 }
+
 .grid-stack.grid-stack-8 > .grid-stack-item[data-gs-min-width='5'] {
   min-width: 62.5%;
 }
+
 .grid-stack.grid-stack-8 > .grid-stack-item[data-gs-max-width='5'] {
   max-width: 62.5%;
 }
+
 .grid-stack.grid-stack-8 > .grid-stack-item[data-gs-width='6'] {
   width: 75%;
 }
+
 .grid-stack.grid-stack-8 > .grid-stack-item[data-gs-x='6'] {
   left: 75%;
 }
+
 .grid-stack.grid-stack-8 > .grid-stack-item[data-gs-min-width='6'] {
   min-width: 75%;
 }
+
 .grid-stack.grid-stack-8 > .grid-stack-item[data-gs-max-width='6'] {
   max-width: 75%;
 }
+
 .grid-stack.grid-stack-8 > .grid-stack-item[data-gs-width='7'] {
   width: 87.5%;
 }
+
 .grid-stack.grid-stack-8 > .grid-stack-item[data-gs-x='7'] {
   left: 87.5%;
 }
+
 .grid-stack.grid-stack-8 > .grid-stack-item[data-gs-min-width='7'] {
   min-width: 87.5%;
 }
+
 .grid-stack.grid-stack-8 > .grid-stack-item[data-gs-max-width='7'] {
   max-width: 87.5%;
 }
+
 .grid-stack.grid-stack-8 > .grid-stack-item[data-gs-width='8'] {
   width: 100%;
 }
+
 .grid-stack.grid-stack-8 > .grid-stack-item[data-gs-x='8'] {
   left: 100%;
 }
+
 .grid-stack.grid-stack-8 > .grid-stack-item[data-gs-min-width='8'] {
   min-width: 100%;
 }
+
 .grid-stack.grid-stack-8 > .grid-stack-item[data-gs-max-width='8'] {
   max-width: 100%;
 }
 
 .grid-stack.grid-stack-9 > .grid-stack-item {
-  min-width: 11.11111111%;
+  min-width: 11.1111111111%;
 }
+
 .grid-stack.grid-stack-9 > .grid-stack-item[data-gs-width='1'] {
-  width: 11.11111111%;
+  width: 11.1111111111%;
 }
+
 .grid-stack.grid-stack-9 > .grid-stack-item[data-gs-x='1'] {
-  left: 11.11111111%;
+  left: 11.1111111111%;
 }
+
 .grid-stack.grid-stack-9 > .grid-stack-item[data-gs-min-width='1'] {
-  min-width: 11.11111111%;
+  min-width: 11.1111111111%;
 }
+
 .grid-stack.grid-stack-9 > .grid-stack-item[data-gs-max-width='1'] {
-  max-width: 11.11111111%;
+  max-width: 11.1111111111%;
 }
+
 .grid-stack.grid-stack-9 > .grid-stack-item[data-gs-width='2'] {
-  width: 22.22222222%;
+  width: 22.2222222222%;
 }
+
 .grid-stack.grid-stack-9 > .grid-stack-item[data-gs-x='2'] {
-  left: 22.22222222%;
+  left: 22.2222222222%;
 }
+
 .grid-stack.grid-stack-9 > .grid-stack-item[data-gs-min-width='2'] {
-  min-width: 22.22222222%;
+  min-width: 22.2222222222%;
 }
+
 .grid-stack.grid-stack-9 > .grid-stack-item[data-gs-max-width='2'] {
-  max-width: 22.22222222%;
+  max-width: 22.2222222222%;
 }
+
 .grid-stack.grid-stack-9 > .grid-stack-item[data-gs-width='3'] {
-  width: 33.33333333%;
+  width: 33.3333333333%;
 }
+
 .grid-stack.grid-stack-9 > .grid-stack-item[data-gs-x='3'] {
-  left: 33.33333333%;
+  left: 33.3333333333%;
 }
+
 .grid-stack.grid-stack-9 > .grid-stack-item[data-gs-min-width='3'] {
-  min-width: 33.33333333%;
+  min-width: 33.3333333333%;
 }
+
 .grid-stack.grid-stack-9 > .grid-stack-item[data-gs-max-width='3'] {
-  max-width: 33.33333333%;
+  max-width: 33.3333333333%;
 }
+
 .grid-stack.grid-stack-9 > .grid-stack-item[data-gs-width='4'] {
-  width: 44.44444444%;
+  width: 44.4444444444%;
 }
+
 .grid-stack.grid-stack-9 > .grid-stack-item[data-gs-x='4'] {
-  left: 44.44444444%;
+  left: 44.4444444444%;
 }
+
 .grid-stack.grid-stack-9 > .grid-stack-item[data-gs-min-width='4'] {
-  min-width: 44.44444444%;
+  min-width: 44.4444444444%;
 }
+
 .grid-stack.grid-stack-9 > .grid-stack-item[data-gs-max-width='4'] {
-  max-width: 44.44444444%;
+  max-width: 44.4444444444%;
 }
+
 .grid-stack.grid-stack-9 > .grid-stack-item[data-gs-width='5'] {
-  width: 55.55555556%;
+  width: 55.5555555556%;
 }
+
 .grid-stack.grid-stack-9 > .grid-stack-item[data-gs-x='5'] {
-  left: 55.55555556%;
+  left: 55.5555555556%;
 }
+
 .grid-stack.grid-stack-9 > .grid-stack-item[data-gs-min-width='5'] {
-  min-width: 55.55555556%;
+  min-width: 55.5555555556%;
 }
+
 .grid-stack.grid-stack-9 > .grid-stack-item[data-gs-max-width='5'] {
-  max-width: 55.55555556%;
+  max-width: 55.5555555556%;
 }
+
 .grid-stack.grid-stack-9 > .grid-stack-item[data-gs-width='6'] {
-  width: 66.66666667%;
+  width: 66.6666666667%;
 }
+
 .grid-stack.grid-stack-9 > .grid-stack-item[data-gs-x='6'] {
-  left: 66.66666667%;
+  left: 66.6666666667%;
 }
+
 .grid-stack.grid-stack-9 > .grid-stack-item[data-gs-min-width='6'] {
-  min-width: 66.66666667%;
+  min-width: 66.6666666667%;
 }
+
 .grid-stack.grid-stack-9 > .grid-stack-item[data-gs-max-width='6'] {
-  max-width: 66.66666667%;
+  max-width: 66.6666666667%;
 }
+
 .grid-stack.grid-stack-9 > .grid-stack-item[data-gs-width='7'] {
-  width: 77.77777778%;
+  width: 77.7777777778%;
 }
+
 .grid-stack.grid-stack-9 > .grid-stack-item[data-gs-x='7'] {
-  left: 77.77777778%;
+  left: 77.7777777778%;
 }
+
 .grid-stack.grid-stack-9 > .grid-stack-item[data-gs-min-width='7'] {
-  min-width: 77.77777778%;
+  min-width: 77.7777777778%;
 }
+
 .grid-stack.grid-stack-9 > .grid-stack-item[data-gs-max-width='7'] {
-  max-width: 77.77777778%;
+  max-width: 77.7777777778%;
 }
+
 .grid-stack.grid-stack-9 > .grid-stack-item[data-gs-width='8'] {
-  width: 88.88888889%;
+  width: 88.8888888889%;
 }
+
 .grid-stack.grid-stack-9 > .grid-stack-item[data-gs-x='8'] {
-  left: 88.88888889%;
+  left: 88.8888888889%;
 }
+
 .grid-stack.grid-stack-9 > .grid-stack-item[data-gs-min-width='8'] {
-  min-width: 88.88888889%;
+  min-width: 88.8888888889%;
 }
+
 .grid-stack.grid-stack-9 > .grid-stack-item[data-gs-max-width='8'] {
-  max-width: 88.88888889%;
+  max-width: 88.8888888889%;
 }
+
 .grid-stack.grid-stack-9 > .grid-stack-item[data-gs-width='9'] {
   width: 100%;
 }
+
 .grid-stack.grid-stack-9 > .grid-stack-item[data-gs-x='9'] {
   left: 100%;
 }
+
 .grid-stack.grid-stack-9 > .grid-stack-item[data-gs-min-width='9'] {
   min-width: 100%;
 }
+
 .grid-stack.grid-stack-9 > .grid-stack-item[data-gs-max-width='9'] {
   max-width: 100%;
 }
@@ -577,407 +757,539 @@
 .grid-stack.grid-stack-10 > .grid-stack-item {
   min-width: 10%;
 }
+
 .grid-stack.grid-stack-10 > .grid-stack-item[data-gs-width='1'] {
   width: 10%;
 }
+
 .grid-stack.grid-stack-10 > .grid-stack-item[data-gs-x='1'] {
   left: 10%;
 }
+
 .grid-stack.grid-stack-10 > .grid-stack-item[data-gs-min-width='1'] {
   min-width: 10%;
 }
+
 .grid-stack.grid-stack-10 > .grid-stack-item[data-gs-max-width='1'] {
   max-width: 10%;
 }
+
 .grid-stack.grid-stack-10 > .grid-stack-item[data-gs-width='2'] {
   width: 20%;
 }
+
 .grid-stack.grid-stack-10 > .grid-stack-item[data-gs-x='2'] {
   left: 20%;
 }
+
 .grid-stack.grid-stack-10 > .grid-stack-item[data-gs-min-width='2'] {
   min-width: 20%;
 }
+
 .grid-stack.grid-stack-10 > .grid-stack-item[data-gs-max-width='2'] {
   max-width: 20%;
 }
+
 .grid-stack.grid-stack-10 > .grid-stack-item[data-gs-width='3'] {
   width: 30%;
 }
+
 .grid-stack.grid-stack-10 > .grid-stack-item[data-gs-x='3'] {
   left: 30%;
 }
+
 .grid-stack.grid-stack-10 > .grid-stack-item[data-gs-min-width='3'] {
   min-width: 30%;
 }
+
 .grid-stack.grid-stack-10 > .grid-stack-item[data-gs-max-width='3'] {
   max-width: 30%;
 }
+
 .grid-stack.grid-stack-10 > .grid-stack-item[data-gs-width='4'] {
   width: 40%;
 }
+
 .grid-stack.grid-stack-10 > .grid-stack-item[data-gs-x='4'] {
   left: 40%;
 }
+
 .grid-stack.grid-stack-10 > .grid-stack-item[data-gs-min-width='4'] {
   min-width: 40%;
 }
+
 .grid-stack.grid-stack-10 > .grid-stack-item[data-gs-max-width='4'] {
   max-width: 40%;
 }
+
 .grid-stack.grid-stack-10 > .grid-stack-item[data-gs-width='5'] {
   width: 50%;
 }
+
 .grid-stack.grid-stack-10 > .grid-stack-item[data-gs-x='5'] {
   left: 50%;
 }
+
 .grid-stack.grid-stack-10 > .grid-stack-item[data-gs-min-width='5'] {
   min-width: 50%;
 }
+
 .grid-stack.grid-stack-10 > .grid-stack-item[data-gs-max-width='5'] {
   max-width: 50%;
 }
+
 .grid-stack.grid-stack-10 > .grid-stack-item[data-gs-width='6'] {
   width: 60%;
 }
+
 .grid-stack.grid-stack-10 > .grid-stack-item[data-gs-x='6'] {
   left: 60%;
 }
+
 .grid-stack.grid-stack-10 > .grid-stack-item[data-gs-min-width='6'] {
   min-width: 60%;
 }
+
 .grid-stack.grid-stack-10 > .grid-stack-item[data-gs-max-width='6'] {
   max-width: 60%;
 }
+
 .grid-stack.grid-stack-10 > .grid-stack-item[data-gs-width='7'] {
   width: 70%;
 }
+
 .grid-stack.grid-stack-10 > .grid-stack-item[data-gs-x='7'] {
   left: 70%;
 }
+
 .grid-stack.grid-stack-10 > .grid-stack-item[data-gs-min-width='7'] {
   min-width: 70%;
 }
+
 .grid-stack.grid-stack-10 > .grid-stack-item[data-gs-max-width='7'] {
   max-width: 70%;
 }
+
 .grid-stack.grid-stack-10 > .grid-stack-item[data-gs-width='8'] {
   width: 80%;
 }
+
 .grid-stack.grid-stack-10 > .grid-stack-item[data-gs-x='8'] {
   left: 80%;
 }
+
 .grid-stack.grid-stack-10 > .grid-stack-item[data-gs-min-width='8'] {
   min-width: 80%;
 }
+
 .grid-stack.grid-stack-10 > .grid-stack-item[data-gs-max-width='8'] {
   max-width: 80%;
 }
+
 .grid-stack.grid-stack-10 > .grid-stack-item[data-gs-width='9'] {
   width: 90%;
 }
+
 .grid-stack.grid-stack-10 > .grid-stack-item[data-gs-x='9'] {
   left: 90%;
 }
+
 .grid-stack.grid-stack-10 > .grid-stack-item[data-gs-min-width='9'] {
   min-width: 90%;
 }
+
 .grid-stack.grid-stack-10 > .grid-stack-item[data-gs-max-width='9'] {
   max-width: 90%;
 }
+
 .grid-stack.grid-stack-10 > .grid-stack-item[data-gs-width='10'] {
   width: 100%;
 }
+
 .grid-stack.grid-stack-10 > .grid-stack-item[data-gs-x='10'] {
   left: 100%;
 }
+
 .grid-stack.grid-stack-10 > .grid-stack-item[data-gs-min-width='10'] {
   min-width: 100%;
 }
+
 .grid-stack.grid-stack-10 > .grid-stack-item[data-gs-max-width='10'] {
   max-width: 100%;
 }
 
 .grid-stack.grid-stack-11 > .grid-stack-item {
-  min-width: 9.09090909%;
+  min-width: 9.0909090909%;
 }
+
 .grid-stack.grid-stack-11 > .grid-stack-item[data-gs-width='1'] {
-  width: 9.09090909%;
+  width: 9.0909090909%;
 }
+
 .grid-stack.grid-stack-11 > .grid-stack-item[data-gs-x='1'] {
-  left: 9.09090909%;
+  left: 9.0909090909%;
 }
+
 .grid-stack.grid-stack-11 > .grid-stack-item[data-gs-min-width='1'] {
-  min-width: 9.09090909%;
+  min-width: 9.0909090909%;
 }
+
 .grid-stack.grid-stack-11 > .grid-stack-item[data-gs-max-width='1'] {
-  max-width: 9.09090909%;
+  max-width: 9.0909090909%;
 }
+
 .grid-stack.grid-stack-11 > .grid-stack-item[data-gs-width='2'] {
-  width: 18.18181818%;
+  width: 18.1818181818%;
 }
+
 .grid-stack.grid-stack-11 > .grid-stack-item[data-gs-x='2'] {
-  left: 18.18181818%;
+  left: 18.1818181818%;
 }
+
 .grid-stack.grid-stack-11 > .grid-stack-item[data-gs-min-width='2'] {
-  min-width: 18.18181818%;
+  min-width: 18.1818181818%;
 }
+
 .grid-stack.grid-stack-11 > .grid-stack-item[data-gs-max-width='2'] {
-  max-width: 18.18181818%;
+  max-width: 18.1818181818%;
 }
+
 .grid-stack.grid-stack-11 > .grid-stack-item[data-gs-width='3'] {
-  width: 27.27272727%;
+  width: 27.2727272727%;
 }
+
 .grid-stack.grid-stack-11 > .grid-stack-item[data-gs-x='3'] {
-  left: 27.27272727%;
+  left: 27.2727272727%;
 }
+
 .grid-stack.grid-stack-11 > .grid-stack-item[data-gs-min-width='3'] {
-  min-width: 27.27272727%;
+  min-width: 27.2727272727%;
 }
+
 .grid-stack.grid-stack-11 > .grid-stack-item[data-gs-max-width='3'] {
-  max-width: 27.27272727%;
+  max-width: 27.2727272727%;
 }
+
 .grid-stack.grid-stack-11 > .grid-stack-item[data-gs-width='4'] {
-  width: 36.36363636%;
+  width: 36.3636363636%;
 }
+
 .grid-stack.grid-stack-11 > .grid-stack-item[data-gs-x='4'] {
-  left: 36.36363636%;
+  left: 36.3636363636%;
 }
+
 .grid-stack.grid-stack-11 > .grid-stack-item[data-gs-min-width='4'] {
-  min-width: 36.36363636%;
+  min-width: 36.3636363636%;
 }
+
 .grid-stack.grid-stack-11 > .grid-stack-item[data-gs-max-width='4'] {
-  max-width: 36.36363636%;
+  max-width: 36.3636363636%;
 }
+
 .grid-stack.grid-stack-11 > .grid-stack-item[data-gs-width='5'] {
-  width: 45.45454545%;
+  width: 45.4545454545%;
 }
+
 .grid-stack.grid-stack-11 > .grid-stack-item[data-gs-x='5'] {
-  left: 45.45454545%;
+  left: 45.4545454545%;
 }
+
 .grid-stack.grid-stack-11 > .grid-stack-item[data-gs-min-width='5'] {
-  min-width: 45.45454545%;
+  min-width: 45.4545454545%;
 }
+
 .grid-stack.grid-stack-11 > .grid-stack-item[data-gs-max-width='5'] {
-  max-width: 45.45454545%;
+  max-width: 45.4545454545%;
 }
+
 .grid-stack.grid-stack-11 > .grid-stack-item[data-gs-width='6'] {
-  width: 54.54545455%;
+  width: 54.5454545455%;
 }
+
 .grid-stack.grid-stack-11 > .grid-stack-item[data-gs-x='6'] {
-  left: 54.54545455%;
+  left: 54.5454545455%;
 }
+
 .grid-stack.grid-stack-11 > .grid-stack-item[data-gs-min-width='6'] {
-  min-width: 54.54545455%;
+  min-width: 54.5454545455%;
 }
+
 .grid-stack.grid-stack-11 > .grid-stack-item[data-gs-max-width='6'] {
-  max-width: 54.54545455%;
+  max-width: 54.5454545455%;
 }
+
 .grid-stack.grid-stack-11 > .grid-stack-item[data-gs-width='7'] {
-  width: 63.63636364%;
+  width: 63.6363636364%;
 }
+
 .grid-stack.grid-stack-11 > .grid-stack-item[data-gs-x='7'] {
-  left: 63.63636364%;
+  left: 63.6363636364%;
 }
+
 .grid-stack.grid-stack-11 > .grid-stack-item[data-gs-min-width='7'] {
-  min-width: 63.63636364%;
+  min-width: 63.6363636364%;
 }
+
 .grid-stack.grid-stack-11 > .grid-stack-item[data-gs-max-width='7'] {
-  max-width: 63.63636364%;
+  max-width: 63.6363636364%;
 }
+
 .grid-stack.grid-stack-11 > .grid-stack-item[data-gs-width='8'] {
-  width: 72.72727273%;
+  width: 72.7272727273%;
 }
+
 .grid-stack.grid-stack-11 > .grid-stack-item[data-gs-x='8'] {
-  left: 72.72727273%;
+  left: 72.7272727273%;
 }
+
 .grid-stack.grid-stack-11 > .grid-stack-item[data-gs-min-width='8'] {
-  min-width: 72.72727273%;
+  min-width: 72.7272727273%;
 }
+
 .grid-stack.grid-stack-11 > .grid-stack-item[data-gs-max-width='8'] {
-  max-width: 72.72727273%;
+  max-width: 72.7272727273%;
 }
+
 .grid-stack.grid-stack-11 > .grid-stack-item[data-gs-width='9'] {
-  width: 81.81818182%;
+  width: 81.8181818182%;
 }
+
 .grid-stack.grid-stack-11 > .grid-stack-item[data-gs-x='9'] {
-  left: 81.81818182%;
+  left: 81.8181818182%;
 }
+
 .grid-stack.grid-stack-11 > .grid-stack-item[data-gs-min-width='9'] {
-  min-width: 81.81818182%;
+  min-width: 81.8181818182%;
 }
+
 .grid-stack.grid-stack-11 > .grid-stack-item[data-gs-max-width='9'] {
-  max-width: 81.81818182%;
+  max-width: 81.8181818182%;
 }
+
 .grid-stack.grid-stack-11 > .grid-stack-item[data-gs-width='10'] {
-  width: 90.90909091%;
+  width: 90.9090909091%;
 }
+
 .grid-stack.grid-stack-11 > .grid-stack-item[data-gs-x='10'] {
-  left: 90.90909091%;
+  left: 90.9090909091%;
 }
+
 .grid-stack.grid-stack-11 > .grid-stack-item[data-gs-min-width='10'] {
-  min-width: 90.90909091%;
+  min-width: 90.9090909091%;
 }
+
 .grid-stack.grid-stack-11 > .grid-stack-item[data-gs-max-width='10'] {
-  max-width: 90.90909091%;
+  max-width: 90.9090909091%;
 }
+
 .grid-stack.grid-stack-11 > .grid-stack-item[data-gs-width='11'] {
-  width: 100.0%;
+  width: 100%;
 }
+
 .grid-stack.grid-stack-11 > .grid-stack-item[data-gs-x='11'] {
-  left: 100.0%;
+  left: 100%;
 }
+
 .grid-stack.grid-stack-11 > .grid-stack-item[data-gs-min-width='11'] {
-  min-width: 100.0%;
+  min-width: 100%;
 }
+
 .grid-stack.grid-stack-11 > .grid-stack-item[data-gs-max-width='11'] {
-  max-width: 100.0%;
+  max-width: 100%;
 }
 
 .grid-stack.grid-stack-12 > .grid-stack-item {
-  min-width: 8.33333333%;
+  min-width: 8.3333333333%;
 }
+
 .grid-stack.grid-stack-12 > .grid-stack-item[data-gs-width='1'] {
-  width: 8.33333333%;
+  width: 8.3333333333%;
 }
+
 .grid-stack.grid-stack-12 > .grid-stack-item[data-gs-x='1'] {
-  left: 8.33333333%;
+  left: 8.3333333333%;
 }
+
 .grid-stack.grid-stack-12 > .grid-stack-item[data-gs-min-width='1'] {
-  min-width: 8.33333333%;
+  min-width: 8.3333333333%;
 }
+
 .grid-stack.grid-stack-12 > .grid-stack-item[data-gs-max-width='1'] {
-  max-width: 8.33333333%;
+  max-width: 8.3333333333%;
 }
+
 .grid-stack.grid-stack-12 > .grid-stack-item[data-gs-width='2'] {
-  width: 16.66666667%;
+  width: 16.6666666667%;
 }
+
 .grid-stack.grid-stack-12 > .grid-stack-item[data-gs-x='2'] {
-  left: 16.66666667%;
+  left: 16.6666666667%;
 }
+
 .grid-stack.grid-stack-12 > .grid-stack-item[data-gs-min-width='2'] {
-  min-width: 16.66666667%;
+  min-width: 16.6666666667%;
 }
+
 .grid-stack.grid-stack-12 > .grid-stack-item[data-gs-max-width='2'] {
-  max-width: 16.66666667%;
+  max-width: 16.6666666667%;
 }
+
 .grid-stack.grid-stack-12 > .grid-stack-item[data-gs-width='3'] {
   width: 25%;
 }
+
 .grid-stack.grid-stack-12 > .grid-stack-item[data-gs-x='3'] {
   left: 25%;
 }
+
 .grid-stack.grid-stack-12 > .grid-stack-item[data-gs-min-width='3'] {
   min-width: 25%;
 }
+
 .grid-stack.grid-stack-12 > .grid-stack-item[data-gs-max-width='3'] {
   max-width: 25%;
 }
+
 .grid-stack.grid-stack-12 > .grid-stack-item[data-gs-width='4'] {
-  width: 33.33333333%;
+  width: 33.3333333333%;
 }
+
 .grid-stack.grid-stack-12 > .grid-stack-item[data-gs-x='4'] {
-  left: 33.33333333%;
+  left: 33.3333333333%;
 }
+
 .grid-stack.grid-stack-12 > .grid-stack-item[data-gs-min-width='4'] {
-  min-width: 33.33333333%;
+  min-width: 33.3333333333%;
 }
+
 .grid-stack.grid-stack-12 > .grid-stack-item[data-gs-max-width='4'] {
-  max-width: 33.33333333%;
+  max-width: 33.3333333333%;
 }
+
 .grid-stack.grid-stack-12 > .grid-stack-item[data-gs-width='5'] {
-  width: 41.66666667%;
+  width: 41.6666666667%;
 }
+
 .grid-stack.grid-stack-12 > .grid-stack-item[data-gs-x='5'] {
-  left: 41.66666667%;
+  left: 41.6666666667%;
 }
+
 .grid-stack.grid-stack-12 > .grid-stack-item[data-gs-min-width='5'] {
-  min-width: 41.66666667%;
+  min-width: 41.6666666667%;
 }
+
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-  max-width: 41.66666667%;
+  max-width: 41.6666666667%;
 }
+
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   width: 50%;
 }
+
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   left: 50%;
 }
+
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 }
+
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 }
+
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-  width: 58.33333333%;
+  width: 58.3333333333%;
 }
+
 .grid-stack.grid-stack-12 > .grid-stack-item[data-gs-x='7'] {
-  left: 58.33333333%;
+  left: 58.3333333333%;
 }
+
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-  min-width: 58.33333333%;
+  min-width: 58.3333333333%;
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+
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-  max-width: 58.33333333%;
+  max-width: 58.3333333333%;
 }
+
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-  width: 66.66666667%;
+  width: 66.6666666667%;
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+
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-  left: 66.66666667%;
+  left: 66.6666666667%;
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+
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-  min-width: 66.66666667%;
+  min-width: 66.6666666667%;
 }
+
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-  max-width: 66.66666667%;
+  max-width: 66.6666666667%;
 }
+
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   width: 75%;
 }
+
 .grid-stack.grid-stack-12 > .grid-stack-item[data-gs-x='9'] {
   left: 75%;
 }
+
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   min-width: 75%;
 }
+
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   max-width: 75%;
 }
+
 .grid-stack.grid-stack-12 > .grid-stack-item[data-gs-width='10'] {
-  width: 83.33333333%;
+  width: 83.3333333333%;
 }
+
 .grid-stack.grid-stack-12 > .grid-stack-item[data-gs-x='10'] {
-  left: 83.33333333%;
+  left: 83.3333333333%;
 }
+
 .grid-stack.grid-stack-12 > .grid-stack-item[data-gs-min-width='10'] {
-  min-width: 83.33333333%;
+  min-width: 83.3333333333%;
 }
+
 .grid-stack.grid-stack-12 > .grid-stack-item[data-gs-max-width='10'] {
-  max-width: 83.33333333%;
+  max-width: 83.3333333333%;
 }
+
 .grid-stack.grid-stack-12 > .grid-stack-item[data-gs-width='11'] {
-  width: 91.66666667%;
+  width: 91.6666666667%;
 }
+
 .grid-stack.grid-stack-12 > .grid-stack-item[data-gs-x='11'] {
-  left: 91.66666667%;
+  left: 91.6666666667%;
 }
+
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-  min-width: 91.66666667%;
+  min-width: 91.6666666667%;
 }
+
 .grid-stack.grid-stack-12 > .grid-stack-item[data-gs-max-width='11'] {
-  max-width: 91.66666667%;
+  max-width: 91.6666666667%;
 }
+
 .grid-stack.grid-stack-12 > .grid-stack-item[data-gs-width='12'] {
   width: 100%;
 }
+
 .grid-stack.grid-stack-12 > .grid-stack-item[data-gs-x='12'] {
   left: 100%;
 }
+
 .grid-stack.grid-stack-12 > .grid-stack-item[data-gs-min-width='12'] {
   min-width: 100%;
 }
+
 .grid-stack.grid-stack-12 > .grid-stack-item[data-gs-max-width='12'] {
   max-width: 100%;
 }
diff --git a/dist/gridstack-extra.min.css b/dist/gridstack-extra.min.css
index fb9b777..074f4d5 100644
--- a/dist/gridstack-extra.min.css
+++ b/dist/gridstack-extra.min.css
@@ -1 +1 @@
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ack.grid-stack-11>.grid-stack-item[data-gs-max-width='7']{max-width:63.6363636364%}.grid-stack.grid-stack-11>.grid-stack-item[data-gs-width='8']{width:72.7272727273%}.grid-stack.grid-stack-11>.grid-stack-item[data-gs-x='8']{left:72.7272727273%}.grid-stack.grid-stack-11>.grid-stack-item[data-gs-min-width='8']{min-width:72.7272727273%}.grid-stack.grid-stack-11>.grid-stack-item[data-gs-max-width='8']{max-width:72.7272727273%}.grid-stack.grid-stack-11>.grid-stack-item[data-gs-width='9']{width:81.8181818182%}.grid-stack.grid-stack-11>.grid-stack-item[data-gs-x='9']{left:81.8181818182%}.grid-stack.grid-stack-11>.grid-stack-item[data-gs-min-width='9']{min-width:81.8181818182%}.grid-stack.grid-stack-11>.grid-stack-item[data-gs-max-width='9']{max-width:81.8181818182%}.grid-stack.grid-stack-11>.grid-stack-item[data-gs-width='10']{width:90.9090909091%}.grid-stack.grid-stack-11>.grid-stack-item[data-gs-x='10']{left:90.9090909091%}.grid-stack.grid-stack-11>.grid-stack-item[data-gs-min-width='10']{min-width:90.9090909091%}.grid-stack.grid-stack-11>.grid-stack-item[data-gs-max-width='10']{max-width:90.9090909091%}.grid-stack.grid-stack-11>.grid-stack-item[data-gs-width='11']{width:100%}.grid-stack.grid-stack-11>.grid-stack-item[data-gs-x='11']{left:100%}.grid-stack.grid-stack-11>.grid-stack-item[data-gs-min-width='11']{min-width:100%}.grid-stack.grid-stack-12>.grid-stack-item,.grid-stack.grid-stack-12>.grid-stack-item[data-gs-min-width='1']{min-width:8.3333333333%}.grid-stack.grid-stack-11>.grid-stack-item[data-gs-max-width='11']{max-width:100%}.grid-stack.grid-stack-12>.grid-stack-item[data-gs-width='1']{width:8.3333333333%}.grid-stack.grid-stack-12>.grid-stack-item[data-gs-x='1']{left:8.3333333333%}.grid-stack.grid-stack-12>.grid-stack-item[data-gs-max-width='1']{max-width:8.3333333333%}.grid-stack.grid-stack-12>.grid-stack-item[data-gs-width='2']{width:16.6666666667%}.grid-stack.grid-stack-12>.grid-stack-item[data-gs-x='2']{left:16.6666666667%}.grid-stack.grid-stack-12>.grid-stack-item[data-gs-min-width='2']{min-width:16.6666666667%}.grid-stack.grid-stack-12>.grid-stack-item[data-gs-max-width='2']{max-width:16.6666666667%}.grid-stack.grid-stack-12>.grid-stack-item[data-gs-width='3']{width:25%}.grid-stack.grid-stack-12>.grid-stack-item[data-gs-x='3']{left:25%}.grid-stack.grid-stack-12>.grid-stack-item[data-gs-min-width='3']{min-width:25%}.grid-stack.grid-stack-12>.grid-stack-item[data-gs-max-width='3']{max-width:25%}.grid-stack.grid-stack-12>.grid-stack-item[data-gs-width='4']{width:33.3333333333%}.grid-stack.grid-stack-12>.grid-stack-item[data-gs-x='4']{left:33.3333333333%}.grid-stack.grid-stack-12>.grid-stack-item[data-gs-min-width='4']{min-width:33.3333333333%}.grid-stack.grid-stack-12>.grid-stack-item[data-gs-max-width='4']{max-width:33.3333333333%}.grid-stack.grid-stack-12>.grid-stack-item[data-gs-width='5']{width:41.6666666667%}.grid-stack.grid-stack-12>.grid-stack-item[data-gs-x='5']{left:41.6666666667%}.grid-stack.grid-stack-12>.grid-stack-item[data-gs-min-width='5']{min-width:41.6666666667%}.grid-stack.grid-stack-12>.grid-stack-item[data-gs-max-width='5']{max-width:41.6666666667%}.grid-stack.grid-stack-12>.grid-stack-item[data-gs-width='6']{width:50%}.grid-stack.grid-stack-12>.grid-stack-item[data-gs-x='6']{left:50%}.grid-stack.grid-stack-12>.grid-stack-item[data-gs-min-width='6']{min-width:50%}.grid-stack.grid-stack-12>.grid-stack-item[data-gs-max-width='6']{max-width:50%}.grid-stack.grid-stack-12>.grid-stack-item[data-gs-width='7']{width:58.3333333333%}.grid-stack.grid-stack-12>.grid-stack-item[data-gs-x='7']{left:58.3333333333%}.grid-stack.grid-stack-12>.grid-stack-item[data-gs-min-width='7']{min-width:58.3333333333%}.grid-stack.grid-stack-12>.grid-stack-item[data-gs-max-width='7']{max-width:58.3333333333%}.grid-stack.grid-stack-12>.grid-stack-item[data-gs-width='8']{width:66.6666666667%}.grid-stack.grid-stack-12>.grid-stack-item[data-gs-x='8']{left:66.6666666667%}.grid-stack.grid-stack-12>.grid-stack-item[data-gs-min-width='8']{min-width:66.6666666667%}.grid-stack.grid-stack-12>.grid-stack-item[data-gs-max-width='8']{max-width:66.6666666667%}.grid-stack.grid-stack-12>.grid-stack-item[data-gs-width='9']{width:75%}.grid-stack.grid-stack-12>.grid-stack-item[data-gs-x='9']{left:75%}.grid-stack.grid-stack-12>.grid-stack-item[data-gs-min-width='9']{min-width:75%}.grid-stack.grid-stack-12>.grid-stack-item[data-gs-max-width='9']{max-width:75%}.grid-stack.grid-stack-12>.grid-stack-item[data-gs-width='10']{width:83.3333333333%}.grid-stack.grid-stack-12>.grid-stack-item[data-gs-x='10']{left:83.3333333333%}.grid-stack.grid-stack-12>.grid-stack-item[data-gs-min-width='10']{min-width:83.3333333333%}.grid-stack.grid-stack-12>.grid-stack-item[data-gs-max-width='10']{max-width:83.3333333333%}.grid-stack.grid-stack-12>.grid-stack-item[data-gs-width='11']{width:91.6666666667%}.grid-stack.grid-stack-12>.grid-stack-item[data-gs-x='11']{left:91.6666666667%}.grid-stack.grid-stack-12>.grid-stack-item[data-gs-min-width='11']{min-width:91.6666666667%}.grid-stack.grid-stack-12>.grid-stack-item[data-gs-max-width='11']{max-width:91.6666666667%}.grid-stack.grid-stack-12>.grid-stack-item[data-gs-width='12']{width:100%}.grid-stack.grid-stack-12>.grid-stack-item[data-gs-x='12']{left:100%}.grid-stack.grid-stack-12>.grid-stack-item[data-gs-min-width='12']{min-width:100%}.grid-stack.grid-stack-12>.grid-stack-item[data-gs-max-width='12']{max-width:100%}
\ No newline at end of file
diff --git a/dist/gridstack.css b/dist/gridstack.css
index 319d58a..26dabcf 100644
--- a/dist/gridstack.css
+++ b/dist/gridstack.css
@@ -5,6 +5,7 @@
 .grid-stack {
   position: relative;
 }
+
 .grid-stack .grid-stack-placeholder > .placeholder-content {
   border: 1px dashed lightgray;
   margin: 0;
@@ -16,11 +17,13 @@
   width: auto;
   z-index: 0 !important;
 }
+
 .grid-stack > .grid-stack-item {
-  min-width: 8.33333333%;
+  min-width: 8.3333333333%;
   position: absolute;
   padding: 0;
 }
+
 .grid-stack > .grid-stack-item > .grid-stack-item-content {
   margin: 0;
   position: absolute;
@@ -33,6 +36,7 @@
   overflow-x: hidden;
   overflow-y: auto;
 }
+
 .grid-stack > .grid-stack-item > .ui-resizable-handle {
   position: absolute;
   font-size: 0.1px;
@@ -40,18 +44,23 @@
   -ms-touch-action: none;
   touch-action: none;
 }
-.grid-stack > .grid-stack-item.ui-resizable-disabled > .ui-resizable-handle, .grid-stack > .grid-stack-item.ui-resizable-autohide > .ui-resizable-handle {
+
+.grid-stack > .grid-stack-item.ui-resizable-disabled > .ui-resizable-handle,
+.grid-stack > .grid-stack-item.ui-resizable-autohide > .ui-resizable-handle {
   display: none;
 }
+
 .grid-stack > .grid-stack-item.ui-draggable-dragging, .grid-stack > .grid-stack-item.ui-resizable-resizing {
   z-index: 100;
 }
+
 .grid-stack > .grid-stack-item.ui-draggable-dragging > .grid-stack-item-content,
 .grid-stack > .grid-stack-item.ui-draggable-dragging > .grid-stack-item-content, .grid-stack > .grid-stack-item.ui-resizable-resizing > .grid-stack-item-content,
 .grid-stack > .grid-stack-item.ui-resizable-resizing > .grid-stack-item-content {
   box-shadow: 1px 4px 6px rgba(0, 0, 0, 0.2);
   opacity: 0.8;
 }
+
 .grid-stack > .grid-stack-item > .ui-resizable-se,
 .grid-stack > .grid-stack-item > .ui-resizable-sw {
   text-align: right;
@@ -64,10 +73,12 @@
   -webkit-font-smoothing: antialiased;
   -moz-osx-font-smoothing: grayscale;
 }
+
 .grid-stack > .grid-stack-item > .ui-resizable-se::before,
 .grid-stack > .grid-stack-item > .ui-resizable-sw::before {
   content: "\f065";
 }
+
 .grid-stack > .grid-stack-item > .ui-resizable-se {
   display: inline-block;
   -webkit-transform: rotate(90deg);
@@ -76,6 +87,7 @@
   -o-transform: rotate(90deg);
   transform: rotate(90deg);
 }
+
 .grid-stack > .grid-stack-item > .ui-resizable-nw {
   cursor: nw-resize;
   width: 20px;
@@ -83,6 +95,7 @@
   left: 10px;
   top: 0;
 }
+
 .grid-stack > .grid-stack-item > .ui-resizable-n {
   cursor: n-resize;
   height: 10px;
@@ -90,6 +103,7 @@
   left: 25px;
   right: 25px;
 }
+
 .grid-stack > .grid-stack-item > .ui-resizable-ne {
   cursor: ne-resize;
   width: 20px;
@@ -97,6 +111,7 @@
   right: 10px;
   top: 0;
 }
+
 .grid-stack > .grid-stack-item > .ui-resizable-e {
   cursor: e-resize;
   width: 10px;
@@ -104,6 +119,7 @@
   top: 15px;
   bottom: 15px;
 }
+
 .grid-stack > .grid-stack-item > .ui-resizable-se {
   cursor: se-resize;
   width: 20px;
@@ -111,6 +127,7 @@
   right: 10px;
   bottom: 0;
 }
+
 .grid-stack > .grid-stack-item > .ui-resizable-s {
   cursor: s-resize;
   height: 10px;
@@ -118,6 +135,7 @@
   bottom: 0;
   right: 25px;
 }
+
 .grid-stack > .grid-stack-item > .ui-resizable-sw {
   cursor: sw-resize;
   width: 20px;
@@ -125,6 +143,7 @@
   left: 10px;
   bottom: 0;
 }
+
 .grid-stack > .grid-stack-item > .ui-resizable-w {
   cursor: w-resize;
   width: 10px;
@@ -132,158 +151,211 @@
   top: 15px;
   bottom: 15px;
 }
+
 .grid-stack > .grid-stack-item[data-gs-width='1'] {
-  width: 8.33333333%;
+  width: 8.3333333333%;
 }
+
 .grid-stack > .grid-stack-item[data-gs-x='1'] {
-  left: 8.33333333%;
+  left: 8.3333333333%;
 }
+
 .grid-stack > .grid-stack-item[data-gs-min-width='1'] {
-  min-width: 8.33333333%;
+  min-width: 8.3333333333%;
 }
+
 .grid-stack > .grid-stack-item[data-gs-max-width='1'] {
-  max-width: 8.33333333%;
+  max-width: 8.3333333333%;
 }
+
 .grid-stack > .grid-stack-item[data-gs-width='2'] {
-  width: 16.66666667%;
+  width: 16.6666666667%;
 }
+
 .grid-stack > .grid-stack-item[data-gs-x='2'] {
-  left: 16.66666667%;
+  left: 16.6666666667%;
 }
+
 .grid-stack > .grid-stack-item[data-gs-min-width='2'] {
-  min-width: 16.66666667%;
+  min-width: 16.6666666667%;
 }
+
 .grid-stack > .grid-stack-item[data-gs-max-width='2'] {
-  max-width: 16.66666667%;
+  max-width: 16.6666666667%;
 }
+
 .grid-stack > .grid-stack-item[data-gs-width='3'] {
   width: 25%;
 }
+
 .grid-stack > .grid-stack-item[data-gs-x='3'] {
   left: 25%;
 }
+
 .grid-stack > .grid-stack-item[data-gs-min-width='3'] {
   min-width: 25%;
 }
+
 .grid-stack > .grid-stack-item[data-gs-max-width='3'] {
   max-width: 25%;
 }
+
 .grid-stack > .grid-stack-item[data-gs-width='4'] {
-  width: 33.33333333%;
+  width: 33.3333333333%;
 }
+
 .grid-stack > .grid-stack-item[data-gs-x='4'] {
-  left: 33.33333333%;
+  left: 33.3333333333%;
 }
+
 .grid-stack > .grid-stack-item[data-gs-min-width='4'] {
-  min-width: 33.33333333%;
+  min-width: 33.3333333333%;
 }
+
 .grid-stack > .grid-stack-item[data-gs-max-width='4'] {
-  max-width: 33.33333333%;
+  max-width: 33.3333333333%;
 }
+
 .grid-stack > .grid-stack-item[data-gs-width='5'] {
-  width: 41.66666667%;
+  width: 41.6666666667%;
 }
+
 .grid-stack > .grid-stack-item[data-gs-x='5'] {
-  left: 41.66666667%;
+  left: 41.6666666667%;
 }
+
 .grid-stack > .grid-stack-item[data-gs-min-width='5'] {
-  min-width: 41.66666667%;
+  min-width: 41.6666666667%;
 }
+
 .grid-stack > .grid-stack-item[data-gs-max-width='5'] {
-  max-width: 41.66666667%;
+  max-width: 41.6666666667%;
 }
+
 .grid-stack > .grid-stack-item[data-gs-width='6'] {
   width: 50%;
 }
+
 .grid-stack > .grid-stack-item[data-gs-x='6'] {
   left: 50%;
 }
+
 .grid-stack > .grid-stack-item[data-gs-min-width='6'] {
   min-width: 50%;
 }
+
 .grid-stack > .grid-stack-item[data-gs-max-width='6'] {
   max-width: 50%;
 }
+
 .grid-stack > .grid-stack-item[data-gs-width='7'] {
-  width: 58.33333333%;
+  width: 58.3333333333%;
 }
+
 .grid-stack > .grid-stack-item[data-gs-x='7'] {
-  left: 58.33333333%;
+  left: 58.3333333333%;
 }
+
 .grid-stack > .grid-stack-item[data-gs-min-width='7'] {
-  min-width: 58.33333333%;
+  min-width: 58.3333333333%;
 }
+
 .grid-stack > .grid-stack-item[data-gs-max-width='7'] {
-  max-width: 58.33333333%;
+  max-width: 58.3333333333%;
 }
+
 .grid-stack > .grid-stack-item[data-gs-width='8'] {
-  width: 66.66666667%;
+  width: 66.6666666667%;
 }
+
 .grid-stack > .grid-stack-item[data-gs-x='8'] {
-  left: 66.66666667%;
+  left: 66.6666666667%;
 }
+
 .grid-stack > .grid-stack-item[data-gs-min-width='8'] {
-  min-width: 66.66666667%;
+  min-width: 66.6666666667%;
 }
+
 .grid-stack > .grid-stack-item[data-gs-max-width='8'] {
-  max-width: 66.66666667%;
+  max-width: 66.6666666667%;
 }
+
 .grid-stack > .grid-stack-item[data-gs-width='9'] {
   width: 75%;
 }
+
 .grid-stack > .grid-stack-item[data-gs-x='9'] {
   left: 75%;
 }
+
 .grid-stack > .grid-stack-item[data-gs-min-width='9'] {
   min-width: 75%;
 }
+
 .grid-stack > .grid-stack-item[data-gs-max-width='9'] {
   max-width: 75%;
 }
+
 .grid-stack > .grid-stack-item[data-gs-width='10'] {
-  width: 83.33333333%;
+  width: 83.3333333333%;
 }
+
 .grid-stack > .grid-stack-item[data-gs-x='10'] {
-  left: 83.33333333%;
+  left: 83.3333333333%;
 }
+
 .grid-stack > .grid-stack-item[data-gs-min-width='10'] {
-  min-width: 83.33333333%;
+  min-width: 83.3333333333%;
 }
+
 .grid-stack > .grid-stack-item[data-gs-max-width='10'] {
-  max-width: 83.33333333%;
+  max-width: 83.3333333333%;
 }
+
 .grid-stack > .grid-stack-item[data-gs-width='11'] {
-  width: 91.66666667%;
+  width: 91.6666666667%;
 }
+
 .grid-stack > .grid-stack-item[data-gs-x='11'] {
-  left: 91.66666667%;
+  left: 91.6666666667%;
 }
+
 .grid-stack > .grid-stack-item[data-gs-min-width='11'] {
-  min-width: 91.66666667%;
+  min-width: 91.6666666667%;
 }
+
 .grid-stack > .grid-stack-item[data-gs-max-width='11'] {
-  max-width: 91.66666667%;
+  max-width: 91.6666666667%;
 }
+
 .grid-stack > .grid-stack-item[data-gs-width='12'] {
   width: 100%;
 }
+
 .grid-stack > .grid-stack-item[data-gs-x='12'] {
   left: 100%;
 }
+
 .grid-stack > .grid-stack-item[data-gs-min-width='12'] {
   min-width: 100%;
 }
+
 .grid-stack > .grid-stack-item[data-gs-max-width='12'] {
   max-width: 100%;
 }
-.grid-stack.grid-stack-animate, .grid-stack.grid-stack-animate .grid-stack-item {
+
+.grid-stack.grid-stack-animate,
+.grid-stack.grid-stack-animate .grid-stack-item {
   -webkit-transition: left 0.3s, top 0.3s, height 0.3s, width 0.3s;
   -moz-transition: left 0.3s, top 0.3s, height 0.3s, width 0.3s;
   -ms-transition: left 0.3s, top 0.3s, height 0.3s, width 0.3s;
   -o-transition: left 0.3s, top 0.3s, height 0.3s, width 0.3s;
   transition: left 0.3s, top 0.3s, height 0.3s, width 0.3s;
 }
-.grid-stack.grid-stack-animate .grid-stack-item.ui-draggable-dragging, .grid-stack.grid-stack-animate .grid-stack-item.ui-resizable-resizing, .grid-stack.grid-stack-animate .grid-stack-item.grid-stack-placeholder {
+
+.grid-stack.grid-stack-animate .grid-stack-item.ui-draggable-dragging,
+.grid-stack.grid-stack-animate .grid-stack-item.ui-resizable-resizing,
+.grid-stack.grid-stack-animate .grid-stack-item.grid-stack-placeholder {
   -webkit-transition: left 0s, top 0s, height 0s, width 0s;
   -moz-transition: left 0s, top 0s, height 0s, width 0s;
   -ms-transition: left 0s, top 0s, height 0s, width 0s;
@@ -295,11 +367,7 @@
 /*
 .grid-stack > .grid-stack-item > .ui-resizable-sw {
     display: inline-block;
-    -webkit-transform: rotate(180deg);
-    -moz-transform: rotate(180deg);
-    -ms-transform: rotate(180deg);
-    -o-transform: rotate(180deg);
-    transform: rotate(180deg);
+    @include vendor(transform, rotate(180deg));
 }
 */
 @media (max-width: 768px) {
@@ -313,7 +381,6 @@
   .grid-stack-item .ui-resizable-handle {
     display: none;
   }
-
   .grid-stack {
     height: auto !important;
   }
diff --git a/dist/gridstack.js b/dist/gridstack.js
old mode 100644
new mode 100755
diff --git a/dist/gridstack.min.css b/dist/gridstack.min.css
index 85c9dde..9083dd1 100644
--- a/dist/gridstack.min.css
+++ b/dist/gridstack.min.css
@@ -1 +1 @@
-:root .grid-stack-item>.ui-resizable-handle{filter:none}.grid-stack{position:relative}.grid-stack .grid-stack-placeholder>.placeholder-content{border:1px dashed lightgray;margin:0;position:absolute;top:0;left:10px;right:10px;bottom:0;width:auto;z-index:0 !important}.grid-stack>.grid-stack-item{min-width:8.33333333%;position:absolute;padding:0}.grid-stack>.grid-stack-item>.grid-stack-item-content{margin:0;position:absolute;top:0;left:10px;right:10px;bottom:0;width:auto;z-index:0 !important;overflow-x:hidden;overflow-y:auto}.grid-stack>.grid-stack-item>.ui-resizable-handle{position:absolute;font-size:.1px;display:block;-ms-touch-action:none;touch-action:none}.grid-stack>.grid-stack-item.ui-resizable-disabled>.ui-resizable-handle,.grid-stack>.grid-stack-item.ui-resizable-autohide>.ui-resizable-handle{display:none}.grid-stack>.grid-stack-item.ui-draggable-dragging,.grid-stack>.grid-stack-item.ui-resizable-resizing{z-index:100}.grid-stack>.grid-stack-item.ui-draggable-dragging>.grid-stack-item-content,.grid-stack>.grid-stack-item.ui-draggable-dragging>.grid-stack-item-content,.grid-stack>.grid-stack-item.ui-resizable-resizing>.grid-stack-item-content,.grid-stack>.grid-stack-item.ui-resizable-resizing>.grid-stack-item-content{box-shadow:1px 4px 6px rgba(0,0,0,0.2);opacity:.8}.grid-stack>.grid-stack-item>.ui-resizable-se,.grid-stack>.grid-stack-item>.ui-resizable-sw{text-align:right;color:gray;padding:2px 3px 0 0;margin:0;font:normal normal normal 10px/1 FontAwesome;font-size:inherit;text-rendering:auto;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}.grid-stack>.grid-stack-item>.ui-resizable-se::before,.grid-stack>.grid-stack-item>.ui-resizable-sw::before{content:"\f065"}.grid-stack>.grid-stack-item>.ui-resizable-se{display:inline-block;-webkit-transform:rotate(90deg);-moz-transform:rotate(90deg);-ms-transform:rotate(90deg);-o-transform:rotate(90deg);transform:rotate(90deg)}.grid-stack>.grid-stack-item>.ui-resizable-nw{cursor:nw-resize;width:20px;height:20px;left:10px;top:0}.grid-stack>.grid-stack-item>.ui-resizable-n{cursor:n-resize;height:10px;top:0;left:25px;right:25px}.grid-stack>.grid-stack-item>.ui-resizable-ne{cursor:ne-resize;width:20px;height:20px;right:10px;top:0}.grid-stack>.grid-stack-item>.ui-resizable-e{cursor:e-resize;width:10px;right:10px;top:15px;bottom:15px}.grid-stack>.grid-stack-item>.ui-resizable-se{cursor:se-resize;width:20px;height:20px;right:10px;bottom:0}.grid-stack>.grid-stack-item>.ui-resizable-s{cursor:s-resize;height:10px;left:25px;bottom:0;right:25px}.grid-stack>.grid-stack-item>.ui-resizable-sw{cursor:sw-resize;width:20px;height:20px;left:10px;bottom:0}.grid-stack>.grid-stack-item>.ui-resizable-w{cursor:w-resize;width:10px;left:10px;top:15px;bottom:15px}.grid-stack>.grid-stack-item[data-gs-width='1']{width:8.33333333%}.grid-stack>.grid-stack-item[data-gs-x='1']{left:8.33333333%}.grid-stack>.grid-stack-item[data-gs-min-width='1']{min-width:8.33333333%}.grid-stack>.grid-stack-item[data-gs-max-width='1']{max-width:8.33333333%}.grid-stack>.grid-stack-item[data-gs-width='2']{width:16.66666667%}.grid-stack>.grid-stack-item[data-gs-x='2']{left:16.66666667%}.grid-stack>.grid-stack-item[data-gs-min-width='2']{min-width:16.66666667%}.grid-stack>.grid-stack-item[data-gs-max-width='2']{max-width:16.66666667%}.grid-stack>.grid-stack-item[data-gs-width='3']{width:25%}.grid-stack>.grid-stack-item[data-gs-x='3']{left:25%}.grid-stack>.grid-stack-item[data-gs-min-width='3']{min-width:25%}.grid-stack>.grid-stack-item[data-gs-max-width='3']{max-width:25%}.grid-stack>.grid-stack-item[data-gs-width='4']{width:33.33333333%}.grid-stack>.grid-stack-item[data-gs-x='4']{left:33.33333333%}.grid-stack>.grid-stack-item[data-gs-min-width='4']{min-width:33.33333333%}.grid-stack>.grid-stack-item[data-gs-max-width='4']{max-width:33.33333333%}.grid-stack>.grid-stack-item[data-gs-width='5']{width:41.66666667%}.grid-stack>.grid-stack-item[data-gs-x='5']{left:41.66666667%}.grid-stack>.grid-stack-item[data-gs-min-width='5']{min-width:41.66666667%}.grid-stack>.grid-stack-item[data-gs-max-width='5']{max-width:41.66666667%}.grid-stack>.grid-stack-item[data-gs-width='6']{width:50%}.grid-stack>.grid-stack-item[data-gs-x='6']{left:50%}.grid-stack>.grid-stack-item[data-gs-min-width='6']{min-width:50%}.grid-stack>.grid-stack-item[data-gs-max-width='6']{max-width:50%}.grid-stack>.grid-stack-item[data-gs-width='7']{width:58.33333333%}.grid-stack>.grid-stack-item[data-gs-x='7']{left:58.33333333%}.grid-stack>.grid-stack-item[data-gs-min-width='7']{min-width:58.33333333%}.grid-stack>.grid-stack-item[data-gs-max-width='7']{max-width:58.33333333%}.grid-stack>.grid-stack-item[data-gs-width='8']{width:66.66666667%}.grid-stack>.grid-stack-item[data-gs-x='8']{left:66.66666667%}.grid-stack>.grid-stack-item[data-gs-min-width='8']{min-width:66.66666667%}.grid-stack>.grid-stack-item[data-gs-max-width='8']{max-width:66.66666667%}.grid-stack>.grid-stack-item[data-gs-width='9']{width:75%}.grid-stack>.grid-stack-item[data-gs-x='9']{left:75%}.grid-stack>.grid-stack-item[data-gs-min-width='9']{min-width:75%}.grid-stack>.grid-stack-item[data-gs-max-width='9']{max-width:75%}.grid-stack>.grid-stack-item[data-gs-width='10']{width:83.33333333%}.grid-stack>.grid-stack-item[data-gs-x='10']{left:83.33333333%}.grid-stack>.grid-stack-item[data-gs-min-width='10']{min-width:83.33333333%}.grid-stack>.grid-stack-item[data-gs-max-width='10']{max-width:83.33333333%}.grid-stack>.grid-stack-item[data-gs-width='11']{width:91.66666667%}.grid-stack>.grid-stack-item[data-gs-x='11']{left:91.66666667%}.grid-stack>.grid-stack-item[data-gs-min-width='11']{min-width:91.66666667%}.grid-stack>.grid-stack-item[data-gs-max-width='11']{max-width:91.66666667%}.grid-stack>.grid-stack-item[data-gs-width='12']{width:100%}.grid-stack>.grid-stack-item[data-gs-x='12']{left:100%}.grid-stack>.grid-stack-item[data-gs-min-width='12']{min-width:100%}.grid-stack>.grid-stack-item[data-gs-max-width='12']{max-width:100%}.grid-stack.grid-stack-animate,.grid-stack.grid-stack-animate .grid-stack-item{-webkit-transition:left .3s,top .3s,height .3s,width .3s;-moz-transition:left .3s,top .3s,height .3s,width .3s;-ms-transition:left .3s,top .3s,height .3s,width .3s;-o-transition:left .3s,top .3s,height .3s,width .3s;transition:left .3s,top .3s,height .3s,width .3s}.grid-stack.grid-stack-animate .grid-stack-item.ui-draggable-dragging,.grid-stack.grid-stack-animate .grid-stack-item.ui-resizable-resizing,.grid-stack.grid-stack-animate .grid-stack-item.grid-stack-placeholder{-webkit-transition:left 0,top 0,height 0,width 0;-moz-transition:left 0,top 0,height 0,width 0;-ms-transition:left 0,top 0,height 0,width 0;-o-transition:left 0,top 0,height 0,width 0;transition:left 0,top 0,height 0,width 0}@media(max-width:768px){.grid-stack-item{position:relative !important;width:auto !important;left:0 !important;top:auto !important;margin-bottom:20px}.grid-stack-item .ui-resizable-handle{display:none}.grid-stack{height:auto !important}}
\ No newline at end of file
+:root .grid-stack-item>.ui-resizable-handle{filter:none}.grid-stack{position:relative}.grid-stack .grid-stack-placeholder>.placeholder-content{border:1px dashed #d3d3d3;margin:0;position:absolute;top:0;left:10px;right:10px;bottom:0;width:auto;z-index:0!important}.grid-stack>.grid-stack-item{min-width:8.3333333333%;position:absolute;padding:0}.grid-stack>.grid-stack-item>.grid-stack-item-content{margin:0;position:absolute;top:0;left:10px;right:10px;bottom:0;width:auto;z-index:0!important;overflow-x:hidden;overflow-y:auto}.grid-stack>.grid-stack-item>.ui-resizable-handle{position:absolute;font-size:.1px;display:block;-ms-touch-action:none;touch-action:none}.grid-stack>.grid-stack-item.ui-resizable-autohide>.ui-resizable-handle,.grid-stack>.grid-stack-item.ui-resizable-disabled>.ui-resizable-handle{display:none}.grid-stack>.grid-stack-item.ui-draggable-dragging,.grid-stack>.grid-stack-item.ui-resizable-resizing{z-index:100}.grid-stack>.grid-stack-item.ui-draggable-dragging>.grid-stack-item-content,.grid-stack>.grid-stack-item.ui-resizable-resizing>.grid-stack-item-content{box-shadow:1px 4px 6px rgba(0,0,0,.2);opacity:.8}.grid-stack>.grid-stack-item>.ui-resizable-se,.grid-stack>.grid-stack-item>.ui-resizable-sw{text-align:right;color:gray;padding:2px 3px 0 0;margin:0;font:normal normal normal 10px/1 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.grid-stack-item{-webkit-transition:left .3s,top .3s,height .3s,width .3s;-moz-transition:left .3s,top .3s,height .3s,width .3s;-ms-transition:left .3s,top .3s,height .3s,width .3s;-o-transition:left .3s,top .3s,height .3s,width .3s;transition:left .3s,top .3s,height .3s,width .3s}.grid-stack.grid-stack-animate .grid-stack-item.grid-stack-placeholder,.grid-stack.grid-stack-animate .grid-stack-item.ui-draggable-dragging,.grid-stack.grid-stack-animate .grid-stack-item.ui-resizable-resizing{-webkit-transition:left 0s,top 0s,height 0s,width 0s;-moz-transition:left 0s,top 0s,height 0s,width 0s;-ms-transition:left 0s,top 0s,height 0s,width 0s;-o-transition:left 0s,top 0s,height 0s,width 0s;transition:left 0s,top 0s,height 0s,width 0s}@media (max-width:768px){.grid-stack-item{position:relative!important;width:auto!important;left:0!important;top:auto!important;margin-bottom:20px}.grid-stack-item .ui-resizable-handle{display:none}.grid-stack{height:auto!important}}
\ No newline at end of file
diff --git a/dist/gridstack.min.js b/dist/gridstack.min.js
index 432eeed..e88566c 100644
--- a/dist/gridstack.min.js
+++ b/dist/gridstack.min.js
@@ -1,2 +1,2 @@
-!function(t){if("function"==typeof define&&define.amd)define(["jquery","lodash","jquery-ui/core","jquery-ui/widget","jquery-ui/mouse","jquery-ui/draggable","jquery-ui/resizable"],t);else if("undefined"!=typeof exports){try{jQuery=require("jquery")}catch(e){}try{_=require("lodash")}catch(e){}t(jQuery,_)}else t(jQuery,_)}(function(t,e){var i=window,n={is_intercepted:function(t,e){return!(t.x+t.width<=e.x||e.x+e.width<=t.x||t.y+t.height<=e.y||e.y+e.height<=t.y)},sort:function(t,i,n){return n=n||e.chain(t).map(function(t){return t.x+t.width}).max().value(),i=-1!=i?1:-1,e.sortBy(t,function(t){return i*(t.x+t.y*n)})},create_stylesheet:function(t){var e=document.createElement("style");return e.setAttribute("type","text/css"),e.setAttribute("data-gs-id",t),e.styleSheet?e.styleSheet.cssText="":e.appendChild(document.createTextNode("")),document.getElementsByTagName("head")[0].appendChild(e),e.sheet},remove_stylesheet:function(e){t("STYLE[data-gs-id="+e+"]").remove()},insert_css_rule:function(t,e,i,n){"function"==typeof t.insertRule?t.insertRule(e+"{"+i+"}",n):"function"==typeof t.addRule&&t.addRule(e,i,n)},toBool:function(t){return"boolean"==typeof t?t:"string"==typeof t?(t=t.toLowerCase(),!(""==t||"no"==t||"false"==t||"0"==t)):Boolean(t)}},s=0,o=function(t,e,i,n,s){this.width=t,this["float"]=i||!1,this.height=n||0,this.nodes=s||[],this.onchange=e||function(){},this._update_counter=0,this._float=this["float"]};o.prototype.batch_update=function(){this._update_counter=1,this["float"]=!0},o.prototype.commit=function(){this._update_counter=0,0==this._update_counter&&(this["float"]=this._float,this._pack_nodes(),this._notify())},o.prototype._fix_collisions=function(t){this._sort_nodes(-1);var i=t,s=Boolean(e.find(this.nodes,function(t){return t.locked}));for(this["float"]||s||(i={x:0,y:t.y,width:this.width,height:t.height});;){var o=e.find(this.nodes,e.bind(function(e){return e!=t&&n.is_intercepted(e,i)},this));if("undefined"==typeof o)return;this.move_node(o,o.x,t.y+t.height,o.width,o.height,!0)}},o.prototype.is_area_empty=function(t,i,s,o){var a={x:t||0,y:i||0,width:s||1,height:o||1},h=e.find(this.nodes,e.bind(function(t){return n.is_intercepted(t,a)},this));return null==h},o.prototype._sort_nodes=function(t){this.nodes=n.sort(this.nodes,t,this.width)},o.prototype._pack_nodes=function(){this._sort_nodes(),this["float"]?e.each(this.nodes,e.bind(function(t,i){if(!t._updating&&"undefined"!=typeof t._orig_y&&t.y!=t._orig_y)for(var s=t.y;s>=t._orig_y;){var o=e.chain(this.nodes).find(function(e){return t!=e&&n.is_intercepted({x:t.x,y:s,width:t.width,height:t.height},e)}).value();o||(t._dirty=!0,t.y=s),--s}},this)):e.each(this.nodes,e.bind(function(t,i){if(!t.locked)for(;t.y>0;){var s=t.y-1,o=0==i;if(i>0){var a=e.chain(this.nodes).take(i).find(function(e){return n.is_intercepted({x:t.x,y:s,width:t.width,height:t.height},e)}).value();o="undefined"==typeof a}if(!o)break;t._dirty=t.y!=s,t.y=s}},this))},o.prototype._prepare_node=function(t,i){return t=e.defaults(t||{},{width:1,height:1,x:0,y:0}),t.x=parseInt(""+t.x),t.y=parseInt(""+t.y),t.width=parseInt(""+t.width),t.height=parseInt(""+t.height),t.auto_position=t.auto_position||!1,t.no_resize=t.no_resize||!1,t.no_move=t.no_move||!1,t.width>this.width?t.width=this.width:t.width<1&&(t.width=1),t.height<1&&(t.height=1),t.x<0&&(t.x=0),t.x+t.width>this.width&&(i?t.width=this.width-t.x:t.x=this.width-t.width),t.y<0&&(t.y=0),t},o.prototype._notify=function(){if(!this._update_counter){var t=Array.prototype.slice.call(arguments,1).concat(this.get_dirty_nodes());t=t.concat(this.get_dirty_nodes()),this.onchange(t)}},o.prototype.clean_nodes=function(){e.each(this.nodes,function(t){t._dirty=!1})},o.prototype.get_dirty_nodes=function(){return e.filter(this.nodes,function(t){return t._dirty})},o.prototype.add_node=function(t){if(t=this._prepare_node(t),"undefined"!=typeof t.max_width&&(t.width=Math.min(t.width,t.max_width)),"undefined"!=typeof t.max_height&&(t.height=Math.min(t.height,t.max_height)),"undefined"!=typeof t.min_width&&(t.width=Math.max(t.width,t.min_width)),"undefined"!=typeof t.min_height&&(t.height=Math.max(t.height,t.min_height)),t._id=++s,t._dirty=!0,t.auto_position){this._sort_nodes();for(var i=0;;++i){var o=i%this.width,a=Math.floor(i/this.width);if(!(o+t.width>this.width||e.find(this.nodes,function(e){return n.is_intercepted({x:o,y:a,width:t.width,height:t.height},e)}))){t.x=o,t.y=a;break}}}return this.nodes.push(t),this._fix_collisions(t),this._pack_nodes(),this._notify(),t},o.prototype.remove_node=function(t){t._id=null,this.nodes=e.without(this.nodes,t),this._pack_nodes(),this._notify(t)},o.prototype.can_move_node=function(i,n,s,a,h){var r=Boolean(e.find(this.nodes,function(t){return t.locked}));if(!this.height&&!r)return!0;var d,_=new o(this.width,null,this["float"],0,e.map(this.nodes,function(e){return e==i?d=t.extend({},e):t.extend({},e)}));_.move_node(d,n,s,a,h);var l=!0;return r&&(l&=!Boolean(e.find(_.nodes,function(t){return t!=d&&Boolean(t.locked)&&Boolean(t._dirty)}))),this.height&&(l&=_.get_grid_height()<=this.height),l},o.prototype.can_be_placed_with_respect_to_height=function(i){if(!this.height)return!0;var n=new o(this.width,null,this["float"],0,e.map(this.nodes,function(e){return t.extend({},e)}));return n.add_node(i),n.get_grid_height()<=this.height},o.prototype.move_node=function(t,e,i,n,s,o){if("number"!=typeof e&&(e=t.x),"number"!=typeof i&&(i=t.y),"number"!=typeof n&&(n=t.width),"number"!=typeof s&&(s=t.height),"undefined"!=typeof t.max_width&&(n=Math.min(n,t.max_width)),"undefined"!=typeof t.max_height&&(s=Math.min(s,t.max_height)),"undefined"!=typeof t.min_width&&(n=Math.max(n,t.min_width)),"undefined"!=typeof t.min_height&&(s=Math.max(s,t.min_height)),t.x==e&&t.y==i&&t.width==n&&t.height==s)return t;var a=t.width!=n;return t._dirty=!0,t.x=e,t.y=i,t.width=n,t.height=s,t=this._prepare_node(t,a),this._fix_collisions(t),o||(this._pack_nodes(),this._notify()),t},o.prototype.get_grid_height=function(){return e.reduce(this.nodes,function(t,e){return Math.max(t,e.y+e.height)},0)},o.prototype.begin_update=function(t){e.each(this.nodes,function(t){t._orig_y=t.y}),t._updating=!0},o.prototype.end_update=function(){e.each(this.nodes,function(t){t._orig_y=t.y});var t=e.find(this.nodes,function(t){return t._updating});t&&(t._updating=!1)};var a=function(i,n){var s,a=this;n=n||{},this.container=t(i),n.item_class=n.item_class||"grid-stack-item";var h=this.container.closest("."+n.item_class).size()>0;if(this.opts=e.defaults(n||{},{width:parseInt(this.container.attr("data-gs-width"))||12,height:parseInt(this.container.attr("data-gs-height"))||0,item_class:"grid-stack-item",placeholder_class:"grid-stack-placeholder",handle:".grid-stack-item-content",handle_class:null,cell_height:60,vertical_margin:20,auto:!0,min_width:768,"float":!1,static_grid:!1,_class:"grid-stack-instance-"+(1e4*Math.random()).toFixed(0),animate:Boolean(this.container.attr("data-gs-animate"))||!1,always_show_resize_handle:n.always_show_resize_handle||!1,resizable:e.defaults(n.resizable||{},{autoHide:!n.always_show_resize_handle,handles:"se"}),draggable:e.defaults(n.draggable||{},{handle:(n.handle_class?"."+n.handle_class:n.handle?n.handle:"")||".grid-stack-item-content",scroll:!1,appendTo:"body"})}),this.opts.is_nested=h,this.container.addClass(this.opts._class),this._set_static_class(),h&&this.container.addClass("grid-stack-nested"),this._init_styles(),this.grid=new o(this.opts.width,function(t){var i=0;e.each(t,function(t){null==t._id?t.el.remove():(t.el.attr("data-gs-x",t.x).attr("data-gs-y",t.y).attr("data-gs-width",t.width).attr("data-gs-height",t.height),i=Math.max(i,t.y+t.height))}),a._update_styles(i+10)},this.opts["float"],this.opts.height),this.opts.auto){var r=[],d=this;this.container.children("."+this.opts.item_class+":not(."+this.opts.placeholder_class+")").each(function(e,i){i=t(i),r.push({el:i,i:parseInt(i.attr("data-gs-x"))+parseInt(i.attr("data-gs-y"))*d.opts.width})}),e.chain(r).sortBy(function(t){return t.i}).each(function(t){a._prepare_element(t.el)}).value()}this.set_animation(this.opts.animate),this.placeholder=t('<div class="'+this.opts.placeholder_class+" "+this.opts.item_class+'"><div class="placeholder-content" /></div>').hide(),this.container.height(this.grid.get_grid_height()*(this.opts.cell_height+this.opts.vertical_margin)-this.opts.vertical_margin),this.on_resize_handler=function(){if(a._is_one_column_mode()){if(s)return;s=!0,a.grid._sort_nodes(),e.each(a.grid.nodes,function(t){a.container.append(t.el),a.opts.static_grid||(t.no_move||t.el.draggable("disable"),t.no_resize||t.el.resizable("disable"))})}else{if(!s)return;if(s=!1,a.opts.static_grid)return;e.each(a.grid.nodes,function(t){t.no_move||t.el.draggable("enable"),t.no_resize||t.el.resizable("enable")})}},t(window).resize(this.on_resize_handler),this.on_resize_handler()};return a.prototype._trigger_change_event=function(t){var e=this.grid.get_dirty_nodes(),i=!1,n=[];e&&e.length&&(n.push(e),i=!0),(i||t===!0)&&this.container.trigger("change",n)},a.prototype._init_styles=function(){this._styles_id&&t('[data-gs-id="'+this._styles_id+'"]').remove(),this._styles_id="gridstack-style-"+(1e5*Math.random()).toFixed(),this._styles=n.create_stylesheet(this._styles_id),null!=this._styles&&(this._styles._max=0)},a.prototype._update_styles=function(t){if(null!=this._styles){var e="."+this.opts._class+" ."+this.opts.item_class;if("undefined"==typeof t&&(t=this._styles._max,this._init_styles(),this._update_container_height()),0==this._styles._max&&n.insert_css_rule(this._styles,e,"min-height: "+this.opts.cell_height+"px;",0),t>this._styles._max){for(var i=this._styles._max;t>i;++i)n.insert_css_rule(this._styles,e+'[data-gs-height="'+(i+1)+'"]',"height: "+(this.opts.cell_height*(i+1)+this.opts.vertical_margin*i)+"px;",i),n.insert_css_rule(this._styles,e+'[data-gs-min-height="'+(i+1)+'"]',"min-height: "+(this.opts.cell_height*(i+1)+this.opts.vertical_margin*i)+"px;",i),n.insert_css_rule(this._styles,e+'[data-gs-max-height="'+(i+1)+'"]',"max-height: "+(this.opts.cell_height*(i+1)+this.opts.vertical_margin*i)+"px;",i),n.insert_css_rule(this._styles,e+'[data-gs-y="'+i+'"]',"top: "+(this.opts.cell_height*i+this.opts.vertical_margin*i)+"px;",i);this._styles._max=t}}},a.prototype._update_container_height=function(){this.grid._update_counter||this.container.height(this.grid.get_grid_height()*(this.opts.cell_height+this.opts.vertical_margin)-this.opts.vertical_margin)},a.prototype._is_one_column_mode=function(){return(window.innerWidth||document.documentElement.clientWidth||document.body.clientWidth)<=this.opts.min_width},a.prototype._prepare_element=function(i){var s=this;i=t(i),i.addClass(this.opts.item_class);var o=s.grid.add_node({x:i.attr("data-gs-x"),y:i.attr("data-gs-y"),width:i.attr("data-gs-width"),height:i.attr("data-gs-height"),max_width:i.attr("data-gs-max-width"),min_width:i.attr("data-gs-min-width"),max_height:i.attr("data-gs-max-height"),min_height:i.attr("data-gs-min-height"),auto_position:n.toBool(i.attr("data-gs-auto-position")),no_resize:n.toBool(i.attr("data-gs-no-resize")),no_move:n.toBool(i.attr("data-gs-no-move")),locked:n.toBool(i.attr("data-gs-locked")),el:i});if(i.data("_gridstack_node",o),!s.opts.static_grid){var a,h,r=function(e,n){s.container.append(s.placeholder);var r=t(this);s.grid.clean_nodes(),s.grid.begin_update(o),a=r.outerWidth()/r.attr("data-gs-width"),h=s.opts.cell_height+s.opts.vertical_margin,s.placeholder.attr("data-gs-x",r.attr("data-gs-x")).attr("data-gs-y",r.attr("data-gs-y")).attr("data-gs-width",r.attr("data-gs-width")).attr("data-gs-height",r.attr("data-gs-height")).show(),o.el=s.placeholder,i.resizable("option","minWidth",Math.round(a*(o.min_width||1))),i.resizable("option","minHeight",s.opts.cell_height*(o.min_height||1))},d=function(e,i){s.placeholder.detach();var n=t(this);o.el=n,s.placeholder.hide(),n.attr("data-gs-x",o.x).attr("data-gs-y",o.y).attr("data-gs-width",o.width).attr("data-gs-height",o.height).removeAttr("style"),s._update_container_height(),s._trigger_change_event(),s.grid.end_update()};i.draggable(e.extend(this.opts.draggable,{start:r,stop:d,drag:function(t,e){var i=Math.round(e.position.left/a),n=Math.floor((e.position.top+h/2)/h);s.grid.can_move_node(o,i,n,o.width,o.height)&&(s.grid.move_node(o,i,n),s._update_container_height())},containment:this.opts.is_nested?this.container.parent():null})).resizable(e.extend(this.opts.resizable,{start:r,stop:d,resize:function(t,e){var i=Math.round(e.position.left/a),n=Math.floor((e.position.top+h/2)/h),r=Math.round(e.size.width/a),d=Math.round(e.size.height/h);s.grid.can_move_node(o,i,n,r,d)&&(s.grid.move_node(o,i,n,r,d),s._update_container_height())}})),(o.no_move||this._is_one_column_mode())&&i.draggable("disable"),(o.no_resize||this._is_one_column_mode())&&i.resizable("disable"),i.attr("data-gs-locked",o.locked?"yes":null)}},a.prototype.set_animation=function(t){t?this.container.addClass("grid-stack-animate"):this.container.removeClass("grid-stack-animate")},a.prototype.add_widget=function(e,i,n,s,o,a){return e=t(e),"undefined"!=typeof i&&e.attr("data-gs-x",i),"undefined"!=typeof n&&e.attr("data-gs-y",n),"undefined"!=typeof s&&e.attr("data-gs-width",s),"undefined"!=typeof o&&e.attr("data-gs-height",o),"undefined"!=typeof a&&e.attr("data-gs-auto-position",a?"yes":null),this.container.append(e),this._prepare_element(e),this._update_container_height(),this._trigger_change_event(!0),e},a.prototype.will_it_fit=function(t,e,i,n,s){var o={x:t,y:e,width:i,height:n,auto_position:s};return this.grid.can_be_placed_with_respect_to_height(o)},a.prototype.remove_widget=function(e,i){i="undefined"==typeof i?!0:i,e=t(e);var n=e.data("_gridstack_node");this.grid.remove_node(n),e.removeData("_gridstack_node"),this._update_container_height(),i&&e.remove(),this._trigger_change_event(!0)},a.prototype.remove_all=function(t){e.each(this.grid.nodes,e.bind(function(e){this.remove_widget(e.el,t)},this)),this.grid.nodes=[],this._update_container_height()},a.prototype.destroy=function(){t(window).off("resize",this.on_resize_handler),this.disable(),this.container.remove(),n.remove_stylesheet(this._styles_id),this.grid&&(this.grid=null)},a.prototype.resizable=function(e,i){return e=t(e),e.each(function(e,n){n=t(n);var s=n.data("_gridstack_node");"undefined"!=typeof s&&null!=s&&(s.no_resize=!i,s.no_resize?n.resizable("disable"):n.resizable("enable"))}),this},a.prototype.movable=function(e,i){return e=t(e),e.each(function(e,n){n=t(n);var s=n.data("_gridstack_node");"undefined"!=typeof s&&null!=s&&(s.no_move=!i,s.no_move?(n.draggable("disable"),n.removeClass("ui-draggable-handle")):(n.draggable("enable"),n.addClass("ui-draggable-handle")))}),this},a.prototype.disable=function(){this.movable(this.container.children("."+this.opts.item_class),!1),this.resizable(this.container.children("."+this.opts.item_class),!1),this.container.trigger("disable")},a.prototype.enable=function(){this.movable(this.container.children("."+this.opts.item_class),!0),this.resizable(this.container.children("."+this.opts.item_class),!0),this.container.trigger("enable")},a.prototype.locked=function(e,i){return e=t(e),e.each(function(e,n){n=t(n);var s=n.data("_gridstack_node");"undefined"!=typeof s&&null!=s&&(s.locked=i||!1,n.attr("data-gs-locked",s.locked?"yes":null))}),this},a.prototype.min_height=function(e,i){return e=t(e),e.each(function(e,n){n=t(n);var s=n.data("_gridstack_node");"undefined"!=typeof s&&null!=s&&(isNaN(i)||(s.min_height=i||!1,n.attr("data-gs-min-height",i)))}),this},a.prototype.min_width=function(e,i){return e=t(e),e.each(function(e,n){n=t(n);var s=n.data("_gridstack_node");"undefined"!=typeof s&&null!=s&&(isNaN(i)||(s.min_width=i||!1,n.attr("data-gs-min-width",i)))}),this},a.prototype._update_element=function(e,i){e=t(e).first();var n=e.data("_gridstack_node");if("undefined"!=typeof n&&null!=n){var s=this;s.grid.clean_nodes(),s.grid.begin_update(n),i.call(this,e,n),s._update_container_height(),s._trigger_change_event(),s.grid.end_update()}},a.prototype.resize=function(t,e,i){this._update_element(t,function(t,n){e=null!=e&&"undefined"!=typeof e?e:n.width,i=null!=i&&"undefined"!=typeof i?i:n.height,this.grid.move_node(n,n.x,n.y,e,i)})},a.prototype.move=function(t,e,i){this._update_element(t,function(t,n){e=null!=e&&"undefined"!=typeof e?e:n.x,i=null!=i&&"undefined"!=typeof i?i:n.y,this.grid.move_node(n,e,i,n.width,n.height)})},a.prototype.update=function(t,e,i,n,s){this._update_element(t,function(t,o){e=null!=e&&"undefined"!=typeof e?e:o.x,i=null!=i&&"undefined"!=typeof i?i:o.y,n=null!=n&&"undefined"!=typeof n?n:o.width,s=null!=s&&"undefined"!=typeof s?s:o.height,this.grid.move_node(o,e,i,n,s)})},a.prototype.cell_height=function(t){return"undefined"==typeof t?this.opts.cell_height:(t=parseInt(t),void(t!=this.opts.cell_height&&(this.opts.cell_height=t||this.opts.cell_height,this._update_styles())))},a.prototype.cell_width=function(){var t=this.container.children("."+this.opts.item_class).first();return Math.ceil(t.outerWidth()/t.attr("data-gs-width"))},a.prototype.get_cell_from_pixel=function(t){var e=this.container.position(),i=t.left-e.left,n=t.top-e.top,s=Math.floor(this.container.width()/this.opts.width),o=this.opts.cell_height+this.opts.vertical_margin;return{x:Math.floor(i/s),y:Math.floor(n/o)}},a.prototype.batch_update=function(){this.grid.batch_update()},a.prototype.commit=function(){this.grid.commit(),this._update_container_height()},a.prototype.is_area_empty=function(t,e,i,n){return this.grid.is_area_empty(t,e,i,n)},a.prototype.set_static=function(t){this.opts.static_grid=t===!0,this._set_static_class()},a.prototype._set_static_class=function(){var t="grid-stack-static";this.opts.static_grid===!0?this.container.addClass(t):this.container.removeClass(t)},i.GridStackUI=a,i.GridStackUI.Utils=n,t.fn.gridstack=function(e){return this.each(function(){t(this).data("gridstack")||t(this).data("gridstack",new a(this,e))})},i.GridStackUI});
+!function(a){if("function"==typeof define&&define.amd)define(["jquery","lodash","jquery-ui/core","jquery-ui/widget","jquery-ui/mouse","jquery-ui/draggable","jquery-ui/resizable"],a);else if("undefined"!=typeof exports){try{jQuery=require("jquery")}catch(b){}try{_=require("lodash")}catch(b){}a(jQuery,_)}else a(jQuery,_)}(function(a,b){var c=window,d={is_intercepted:function(a,b){return!(a.x+a.width<=b.x||b.x+b.width<=a.x||a.y+a.height<=b.y||b.y+b.height<=a.y)},sort:function(a,c,d){return d=d||b.chain(a).map(function(a){return a.x+a.width}).max().value(),c=-1!=c?1:-1,b.sortBy(a,function(a){return c*(a.x+a.y*d)})},create_stylesheet:function(a){var b=document.createElement("style");return b.setAttribute("type","text/css"),b.setAttribute("data-gs-id",a),b.styleSheet?b.styleSheet.cssText="":b.appendChild(document.createTextNode("")),document.getElementsByTagName("head")[0].appendChild(b),b.sheet},remove_stylesheet:function(b){a("STYLE[data-gs-id="+b+"]").remove()},insert_css_rule:function(a,b,c,d){"function"==typeof a.insertRule?a.insertRule(b+"{"+c+"}",d):"function"==typeof a.addRule&&a.addRule(b,c,d)},toBool:function(a){return"boolean"==typeof a?a:"string"==typeof a?(a=a.toLowerCase(),!(""==a||"no"==a||"false"==a||"0"==a)):Boolean(a)}},e=0,f=function(a,b,c,d,e){this.width=a,this["float"]=c||!1,this.height=d||0,this.nodes=e||[],this.onchange=b||function(){},this._update_counter=0,this._float=this["float"]};f.prototype.batch_update=function(){this._update_counter=1,this["float"]=!0},f.prototype.commit=function(){this._update_counter=0,0==this._update_counter&&(this["float"]=this._float,this._pack_nodes(),this._notify())},f.prototype._fix_collisions=function(a){this._sort_nodes(-1);var c=a,e=Boolean(b.find(this.nodes,function(a){return a.locked}));for(this["float"]||e||(c={x:0,y:a.y,width:this.width,height:a.height});;){var f=b.find(this.nodes,b.bind(function(b){return b!=a&&d.is_intercepted(b,c)},this));if("undefined"==typeof f)return;this.move_node(f,f.x,a.y+a.height,f.width,f.height,!0)}},f.prototype.is_area_empty=function(a,c,e,f){var g={x:a||0,y:c||0,width:e||1,height:f||1},h=b.find(this.nodes,b.bind(function(a){return d.is_intercepted(a,g)},this));return null==h},f.prototype._sort_nodes=function(a){this.nodes=d.sort(this.nodes,a,this.width)},f.prototype._pack_nodes=function(){this._sort_nodes(),this["float"]?b.each(this.nodes,b.bind(function(a,c){if(!a._updating&&"undefined"!=typeof a._orig_y&&a.y!=a._orig_y)for(var e=a.y;e>=a._orig_y;){var f=b.chain(this.nodes).find(function(b){return a!=b&&d.is_intercepted({x:a.x,y:e,width:a.width,height:a.height},b)}).value();f||(a._dirty=!0,a.y=e),--e}},this)):b.each(this.nodes,b.bind(function(a,c){if(!a.locked)for(;a.y>0;){var e=a.y-1,f=0==c;if(c>0){var g=b.chain(this.nodes).take(c).find(function(b){return d.is_intercepted({x:a.x,y:e,width:a.width,height:a.height},b)}).value();f="undefined"==typeof g}if(!f)break;a._dirty=a.y!=e,a.y=e}},this))},f.prototype._prepare_node=function(a,c){return a=b.defaults(a||{},{width:1,height:1,x:0,y:0}),a.x=parseInt(""+a.x),a.y=parseInt(""+a.y),a.width=parseInt(""+a.width),a.height=parseInt(""+a.height),a.auto_position=a.auto_position||!1,a.no_resize=a.no_resize||!1,a.no_move=a.no_move||!1,a.width>this.width?a.width=this.width:a.width<1&&(a.width=1),a.height<1&&(a.height=1),a.x<0&&(a.x=0),a.x+a.width>this.width&&(c?a.width=this.width-a.x:a.x=this.width-a.width),a.y<0&&(a.y=0),a},f.prototype._notify=function(){if(!this._update_counter){var a=Array.prototype.slice.call(arguments,1).concat(this.get_dirty_nodes());a=a.concat(this.get_dirty_nodes()),this.onchange(a)}},f.prototype.clean_nodes=function(){b.each(this.nodes,function(a){a._dirty=!1})},f.prototype.get_dirty_nodes=function(){return b.filter(this.nodes,function(a){return a._dirty})},f.prototype.add_node=function(a){if(a=this._prepare_node(a),"undefined"!=typeof a.max_width&&(a.width=Math.min(a.width,a.max_width)),"undefined"!=typeof a.max_height&&(a.height=Math.min(a.height,a.max_height)),"undefined"!=typeof a.min_width&&(a.width=Math.max(a.width,a.min_width)),"undefined"!=typeof a.min_height&&(a.height=Math.max(a.height,a.min_height)),a._id=++e,a._dirty=!0,a.auto_position){this._sort_nodes();for(var c=0;;++c){var f=c%this.width,g=Math.floor(c/this.width);if(!(f+a.width>this.width||b.find(this.nodes,function(b){return d.is_intercepted({x:f,y:g,width:a.width,height:a.height},b)}))){a.x=f,a.y=g;break}}}return this.nodes.push(a),this._fix_collisions(a),this._pack_nodes(),this._notify(),a},f.prototype.remove_node=function(a){a._id=null,this.nodes=b.without(this.nodes,a),this._pack_nodes(),this._notify(a)},f.prototype.can_move_node=function(c,d,e,g,h){var i=Boolean(b.find(this.nodes,function(a){return a.locked}));if(!this.height&&!i)return!0;var j,k=new f(this.width,null,this["float"],0,b.map(this.nodes,function(b){return b==c?j=a.extend({},b):a.extend({},b)}));k.move_node(j,d,e,g,h);var l=!0;return i&&(l&=!Boolean(b.find(k.nodes,function(a){return a!=j&&Boolean(a.locked)&&Boolean(a._dirty)}))),this.height&&(l&=k.get_grid_height()<=this.height),l},f.prototype.can_be_placed_with_respect_to_height=function(c){if(!this.height)return!0;var d=new f(this.width,null,this["float"],0,b.map(this.nodes,function(b){return a.extend({},b)}));return d.add_node(c),d.get_grid_height()<=this.height},f.prototype.move_node=function(a,b,c,d,e,f){if("number"!=typeof b&&(b=a.x),"number"!=typeof c&&(c=a.y),"number"!=typeof d&&(d=a.width),"number"!=typeof e&&(e=a.height),"undefined"!=typeof a.max_width&&(d=Math.min(d,a.max_width)),"undefined"!=typeof a.max_height&&(e=Math.min(e,a.max_height)),"undefined"!=typeof a.min_width&&(d=Math.max(d,a.min_width)),"undefined"!=typeof a.min_height&&(e=Math.max(e,a.min_height)),a.x==b&&a.y==c&&a.width==d&&a.height==e)return a;var g=a.width!=d;return a._dirty=!0,a.x=b,a.y=c,a.width=d,a.height=e,a=this._prepare_node(a,g),this._fix_collisions(a),f||(this._pack_nodes(),this._notify()),a},f.prototype.get_grid_height=function(){return b.reduce(this.nodes,function(a,b){return Math.max(a,b.y+b.height)},0)},f.prototype.begin_update=function(a){b.each(this.nodes,function(a){a._orig_y=a.y}),a._updating=!0},f.prototype.end_update=function(){b.each(this.nodes,function(a){a._orig_y=a.y});var a=b.find(this.nodes,function(a){return a._updating});a&&(a._updating=!1)};var g=function(c,d){var e,g=this;d=d||{},this.container=a(c),d.item_class=d.item_class||"grid-stack-item";var h=this.container.closest("."+d.item_class).size()>0;if(this.opts=b.defaults(d||{},{width:parseInt(this.container.attr("data-gs-width"))||12,height:parseInt(this.container.attr("data-gs-height"))||0,item_class:"grid-stack-item",placeholder_class:"grid-stack-placeholder",handle:".grid-stack-item-content",handle_class:null,cell_height:60,vertical_margin:20,auto:!0,min_width:768,"float":!1,static_grid:!1,_class:"grid-stack-instance-"+(1e4*Math.random()).toFixed(0),animate:Boolean(this.container.attr("data-gs-animate"))||!1,always_show_resize_handle:d.always_show_resize_handle||!1,resizable:b.defaults(d.resizable||{},{autoHide:!d.always_show_resize_handle,handles:"se"}),draggable:b.defaults(d.draggable||{},{handle:(d.handle_class?"."+d.handle_class:d.handle?d.handle:"")||".grid-stack-item-content",scroll:!1,appendTo:"body"})}),this.opts.is_nested=h,this.container.addClass(this.opts._class),this._set_static_class(),h&&this.container.addClass("grid-stack-nested"),this._init_styles(),this.grid=new f(this.opts.width,function(a){var c=0;b.each(a,function(a){null==a._id?a.el.remove():(a.el.attr("data-gs-x",a.x).attr("data-gs-y",a.y).attr("data-gs-width",a.width).attr("data-gs-height",a.height),c=Math.max(c,a.y+a.height))}),g._update_styles(c+10)},this.opts["float"],this.opts.height),this.opts.auto){var i=[],j=this;this.container.children("."+this.opts.item_class+":not(."+this.opts.placeholder_class+")").each(function(b,c){c=a(c),i.push({el:c,i:parseInt(c.attr("data-gs-x"))+parseInt(c.attr("data-gs-y"))*j.opts.width})}),b.chain(i).sortBy(function(a){return a.i}).each(function(a){g._prepare_element(a.el)}).value()}this.set_animation(this.opts.animate),this.placeholder=a('<div class="'+this.opts.placeholder_class+" "+this.opts.item_class+'"><div class="placeholder-content" /></div>').hide(),this.container.height(this.grid.get_grid_height()*(this.opts.cell_height+this.opts.vertical_margin)-this.opts.vertical_margin),this.on_resize_handler=function(){if(g._is_one_column_mode()){if(e)return;e=!0,g.grid._sort_nodes(),b.each(g.grid.nodes,function(a){g.container.append(a.el),g.opts.static_grid||(a.no_move||a.el.draggable("disable"),a.no_resize||a.el.resizable("disable"))})}else{if(!e)return;if(e=!1,g.opts.static_grid)return;b.each(g.grid.nodes,function(a){a.no_move||a.el.draggable("enable"),a.no_resize||a.el.resizable("enable")})}},a(window).resize(this.on_resize_handler),this.on_resize_handler()};return g.prototype._trigger_change_event=function(a){var b=this.grid.get_dirty_nodes(),c=!1,d=[];b&&b.length&&(d.push(b),c=!0),(c||a===!0)&&this.container.trigger("change",d)},g.prototype._init_styles=function(){this._styles_id&&a('[data-gs-id="'+this._styles_id+'"]').remove(),this._styles_id="gridstack-style-"+(1e5*Math.random()).toFixed(),this._styles=d.create_stylesheet(this._styles_id),null!=this._styles&&(this._styles._max=0)},g.prototype._update_styles=function(a){if(null!=this._styles){var b="."+this.opts._class+" ."+this.opts.item_class;if("undefined"==typeof a&&(a=this._styles._max,this._init_styles(),this._update_container_height()),0==this._styles._max&&d.insert_css_rule(this._styles,b,"min-height: "+this.opts.cell_height+"px;",0),a>this._styles._max){for(var c=this._styles._max;a>c;++c)d.insert_css_rule(this._styles,b+'[data-gs-height="'+(c+1)+'"]',"height: "+(this.opts.cell_height*(c+1)+this.opts.vertical_margin*c)+"px;",c),d.insert_css_rule(this._styles,b+'[data-gs-min-height="'+(c+1)+'"]',"min-height: "+(this.opts.cell_height*(c+1)+this.opts.vertical_margin*c)+"px;",c),d.insert_css_rule(this._styles,b+'[data-gs-max-height="'+(c+1)+'"]',"max-height: "+(this.opts.cell_height*(c+1)+this.opts.vertical_margin*c)+"px;",c),d.insert_css_rule(this._styles,b+'[data-gs-y="'+c+'"]',"top: "+(this.opts.cell_height*c+this.opts.vertical_margin*c)+"px;",c);this._styles._max=a}}},g.prototype._update_container_height=function(){this.grid._update_counter||this.container.height(this.grid.get_grid_height()*(this.opts.cell_height+this.opts.vertical_margin)-this.opts.vertical_margin)},g.prototype._is_one_column_mode=function(){return(window.innerWidth||document.documentElement.clientWidth||document.body.clientWidth)<=this.opts.min_width},g.prototype._prepare_element=function(c){var e=this;c=a(c),c.addClass(this.opts.item_class);var f=e.grid.add_node({x:c.attr("data-gs-x"),y:c.attr("data-gs-y"),width:c.attr("data-gs-width"),height:c.attr("data-gs-height"),max_width:c.attr("data-gs-max-width"),min_width:c.attr("data-gs-min-width"),max_height:c.attr("data-gs-max-height"),min_height:c.attr("data-gs-min-height"),auto_position:d.toBool(c.attr("data-gs-auto-position")),no_resize:d.toBool(c.attr("data-gs-no-resize")),no_move:d.toBool(c.attr("data-gs-no-move")),locked:d.toBool(c.attr("data-gs-locked")),el:c});if(c.data("_gridstack_node",f),!e.opts.static_grid){var g,h,i=function(b,d){e.container.append(e.placeholder);var i=a(this);e.grid.clean_nodes(),e.grid.begin_update(f),g=i.outerWidth()/i.attr("data-gs-width"),h=e.opts.cell_height+e.opts.vertical_margin,e.placeholder.attr("data-gs-x",i.attr("data-gs-x")).attr("data-gs-y",i.attr("data-gs-y")).attr("data-gs-width",i.attr("data-gs-width")).attr("data-gs-height",i.attr("data-gs-height")).show(),f.el=e.placeholder,c.resizable("option","minWidth",Math.round(g*(f.min_width||1))),c.resizable("option","minHeight",e.opts.cell_height*(f.min_height||1))},j=function(b,c){e.placeholder.detach();var d=a(this);f.el=d,e.placeholder.hide(),d.attr("data-gs-x",f.x).attr("data-gs-y",f.y).attr("data-gs-width",f.width).attr("data-gs-height",f.height).removeAttr("style"),e._update_container_height(),e._trigger_change_event(),e.grid.end_update()};c.draggable(b.extend(this.opts.draggable,{start:i,stop:j,drag:function(a,b){var c=Math.round(b.position.left/g),d=Math.floor((b.position.top+h/2)/h);e.grid.can_move_node(f,c,d,f.width,f.height)&&(e.grid.move_node(f,c,d),e._update_container_height())},containment:this.opts.is_nested?this.container.parent():null})).resizable(b.extend(this.opts.resizable,{start:i,stop:j,resize:function(a,b){var c=Math.round(b.position.left/g),d=Math.floor((b.position.top+h/2)/h),i=Math.round(b.size.width/g),j=Math.round(b.size.height/h);e.grid.can_move_node(f,c,d,i,j)&&(e.grid.move_node(f,c,d,i,j),e._update_container_height())}})),(f.no_move||this._is_one_column_mode())&&c.draggable("disable"),(f.no_resize||this._is_one_column_mode())&&c.resizable("disable"),c.attr("data-gs-locked",f.locked?"yes":null)}},g.prototype.set_animation=function(a){a?this.container.addClass("grid-stack-animate"):this.container.removeClass("grid-stack-animate")},g.prototype.add_widget=function(b,c,d,e,f,g){return b=a(b),"undefined"!=typeof c&&b.attr("data-gs-x",c),"undefined"!=typeof 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e&&null!=e&&(e.no_move=!c,e.no_move?(d.draggable("disable"),d.removeClass("ui-draggable-handle")):(d.draggable("enable"),d.addClass("ui-draggable-handle")))}),this},g.prototype.disable=function(){this.movable(this.container.children("."+this.opts.item_class),!1),this.resizable(this.container.children("."+this.opts.item_class),!1),this.container.trigger("disable")},g.prototype.enable=function(){this.movable(this.container.children("."+this.opts.item_class),!0),this.resizable(this.container.children("."+this.opts.item_class),!0),this.container.trigger("enable")},g.prototype.locked=function(b,c){return b=a(b),b.each(function(b,d){d=a(d);var e=d.data("_gridstack_node");"undefined"!=typeof e&&null!=e&&(e.locked=c||!1,d.attr("data-gs-locked",e.locked?"yes":null))}),this},g.prototype.min_height=function(b,c){return b=a(b),b.each(function(b,d){d=a(d);var e=d.data("_gridstack_node");"undefined"!=typeof e&&null!=e&&(isNaN(c)||(e.min_height=c||!1,d.attr("data-gs-min-height",c)))}),this},g.prototype.min_width=function(b,c){return b=a(b),b.each(function(b,d){d=a(d);var e=d.data("_gridstack_node");"undefined"!=typeof e&&null!=e&&(isNaN(c)||(e.min_width=c||!1,d.attr("data-gs-min-width",c)))}),this},g.prototype._update_element=function(b,c){b=a(b).first();var d=b.data("_gridstack_node");if("undefined"!=typeof d&&null!=d){var e=this;e.grid.clean_nodes(),e.grid.begin_update(d),c.call(this,b,d),e._update_container_height(),e._trigger_change_event(),e.grid.end_update()}},g.prototype.resize=function(a,b,c){this._update_element(a,function(a,d){b=null!=b&&"undefined"!=typeof b?b:d.width,c=null!=c&&"undefined"!=typeof c?c:d.height,this.grid.move_node(d,d.x,d.y,b,c)})},g.prototype.move=function(a,b,c){this._update_element(a,function(a,d){b=null!=b&&"undefined"!=typeof b?b:d.x,c=null!=c&&"undefined"!=typeof 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 //# sourceMappingURL=gridstack.min.map
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diff --git a/dist/gridstack.min.map b/dist/gridstack.min.map
index 1c526ae..ecbfbc6 100644
--- a/dist/gridstack.min.map
+++ b/dist/gridstack.min.map
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diff --git a/package.json b/package.json
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new mode 100755
index af01be7..62f5d43
--- a/package.json
+++ b/package.json
@@ -19,5 +19,12 @@
   "bugs": {
     "url": "https://github.com/troolee/gridstack.js/issues"
   },
-  "homepage": "http://troolee.github.io/gridstack.js/"
+  "homepage": "http://troolee.github.io/gridstack.js/",
+  "devDependencies": {
+    "grunt": "^0.4.5",
+    "grunt-contrib-copy": "^0.8.2",
+    "grunt-contrib-cssmin": "^0.14.0",
+    "grunt-contrib-uglify": "^0.10.1",
+    "grunt-sass": "^1.1.0"
+  }
 }
diff --git a/src/gridstack-extra.css b/src/gridstack-extra.css
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diff --git a/src/gridstack.css b/src/gridstack.css
deleted file mode 100644
index 319d58a..0000000
--- a/src/gridstack.css
+++ /dev/null
@@ -1,320 +0,0 @@
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-/** Uncomment this to show bottom-left resize handle **/
-/*
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