diff --git a/gulp/res/css/style.css b/gulp/res/css/style.css
index 9274ce5b..30804390 100644
--- a/gulp/res/css/style.css
+++ b/gulp/res/css/style.css
@@ -122,6 +122,7 @@ pre {
 	display: block;
 	overflow-x: auto;
 	white-space: pre;
+	max-width: calc(100vw - 50px);
 }
 
 .code:not(.hljs) {