diff --git a/assets/scss/base/_syntax.scss b/assets/scss/base/_syntax.scss
index 3aff810..7ef8634 100644
--- a/assets/scss/base/_syntax.scss
+++ b/assets/scss/base/_syntax.scss
@@ -13,7 +13,6 @@ code:not([class]):not([id]) {
   @extend %rounded;
   @extend %code-snippet-bg;
 
-  overflow: auto;
   padding-bottom: 0.75rem;
 
   @at-root figure#{&} {
@@ -64,6 +63,9 @@ code:not([class]):not([id]) {
   .chroma {
     padding-bottom: 6px;
   }
+  .highlight {
+    overflow: auto;
+  }
 } /* .highlight */
 
 code:not([class]):not([id]) {