diff --git a/src/stylus/core.styl b/src/stylus/core.styl
index e2140c3..afa9f65 100644
--- a/src/stylus/core.styl
+++ b/src/stylus/core.styl
@@ -35,7 +35,7 @@ button.copy-code-button
 	pre.chroma:hover > button.copy-code-button
 		opacity 0.9
 
-img, embed, frame, iframe { max-width: 100vw }
+img, embed, frame, iframe { max-width: 100% }
 
 details
 	position relative