diff --git a/index.html b/index.html
index 40a3328..2b6db66 100644
--- a/index.html
+++ b/index.html
@@ -31,6 +31,10 @@
         background: #e3cab3;
       }
 
+      canvas {
+        outline: none;
+      }
+
       #loading {
         padding: 10px;
         font-weight: bold;