style.css

   1 canvas {
   2     position: absolute;
   3     top: 1px;
   4     left: 1px;
   5     border:1px solid black;
   6     margin: 20px;
   7     width: 750px;
   8     }
   9 #controls {
  10     float:right;
  11     width:150px;
  12     }
  13 #controls li {
  14     cursor: pointer;
  15     padding-bottom:15px;
  16     font-weight: bold;
  17     list-style-type: none;
  18     }
  19 #markup {
  20     display:none;
  21     }