diff --git a/Gruntfile.js b/Gruntfile.js
index ed2a19c..acc487b 100755
--- a/Gruntfile.js
+++ b/Gruntfile.js
@@ -1,51 +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.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'
+    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']
+                }
+            }
         }
-      }
-    },
+    });
 
-    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']);
+    grunt.registerTask('default', ['sass', 'cssmin', 'copy', 'uglify']);
 };