That's it

Author: Iemand005

Applications/Level/style.css

@@ -4,7 +4,9 @@ html, body,
   width: 100%;
   height: 100%;
   margin: 0;
-  padding: 0;
-  box-sizing: border-box;
   background-color: lightblue;
+}
+
+canvas {
+  display: block;
 }