diff --git a/src/squircle-canvas.js b/src/squircle-canvas.js
index 0ecd367..1e69ca4 100644
--- a/src/squircle-canvas.js
+++ b/src/squircle-canvas.js
@@ -14,6 +14,7 @@ body {
 
 .canvas {
   grid-area: fill;
+  display: grid;
   width: 100%;
   height: 100%;
   contain: strict;