fix algorithm-visualizer#170

Author: 64json

css/stylesheet.css

@@ -3,10 +3,15 @@ body {
     margin: 0;
     padding: 0;
     overflow: hidden;
+    position: absolute;
+    top: 0;
+    left: 0;
+    width: 100%;
+    height: 100%;
+    background: rgb(63, 63, 63);
 }
 
 body {
-    background: rgb(63, 63, 63);
     font-family: 'Roboto', sans-serif;
     color: rgb(187, 187, 187);
     -webkit-font-smoothing: subpixel-antialiased;

public/algorithm_visualizer.css

@@ -120,10 +120,15 @@ body {
     margin: 0;
     padding: 0;
     overflow: hidden;
+    position: absolute;
+    top: 0;
+    left: 0;
+    width: 100%;
+    height: 100%;
+    background: rgb(63, 63, 63);
 }
 
 body {
-    background: rgb(63, 63, 63);
     font-family: 'Roboto', sans-serif;
     color: rgb(187, 187, 187);
     -webkit-font-smoothing: subpixel-antialiased;