diff --git a/docs/samples/basic.html b/docs/samples/basic.html
index d99ae784..ddb70c16 100644
--- a/docs/samples/basic.html
+++ b/docs/samples/basic.html
@@ -94,6 +94,6 @@ function cont(images)
 
 <!-- A minimal structure for the ScreenAdapter defined in browser/screen.js -->
 <div id="screen_container">
-    <div style="white-space: pre; font: 14px monospace"></div>
+    <div style="white-space: pre; font: 14px monospace; line-height: 14px"></div>
     <canvas style="display: none"></canvas>
 </div>
diff --git a/v86.css b/v86.css
index 0d9c8871..e771ad91 100644
--- a/v86.css
+++ b/v86.css
@@ -1,6 +1,6 @@
 #runtime_infos {
     float: left;
-    width: 300px;
+    width: 250px;
 }
 #log, #runtime_infos, #serial {
     font-family: DejaVu Sans Mono, monospace;
@@ -42,6 +42,8 @@
     image-rendering: -o-crisp-edges;
     image-rendering: optimize-contrast;
     -ms-interpolation-mode: nearest-neighbor;
+
+    background-color: #000;
 }
 #screen > div > span {
     height: 15px;