diff --git a/index.html b/index.html
index 197c1b1..56d29a6 100644
--- a/index.html
+++ b/index.html
@@ -20,6 +20,11 @@
                 padding: 0;
                 overflow: hidden;
             }
+
+            canvas {
+                width: 100%;
+                height: 100%
+            }
         </style>
     </head>