diff --git a/website/playground/playground.js b/website/playground/playground.js
index e2518bcf..1e657a8b 100644
--- a/website/playground/playground.js
+++ b/website/playground/playground.js
@@ -65,6 +65,7 @@
 
 			playgroundContainer.style.width = WIDTH + 'px';
 			playgroundContainer.style.height = HEIGHT - FOOTER_HEIGHT + 'px';
+			playgroundContainer.style.position = 'relative';
 
 			sampleSwitcher.style.position = 'absolute';
 			sampleSwitcher.style.top = TITLE_HEIGHT + 'px';