diff --git a/assets/hb/modules/code-block-panel/scss/index.scss b/assets/hb/modules/code-block-panel/scss/index.scss
index 3c89b38..15e870f 100644
--- a/assets/hb/modules/code-block-panel/scss/index.scss
+++ b/assets/hb/modules/code-block-panel/scss/index.scss
@@ -1,4 +1,14 @@
 /*! purgecss start ignore */
 @import "../../../../mods/code-block-panel/scss/index";
 
+.highlight {
+  pre {
+    scrollbar-width: thin;
+
+    &:hover {
+      scrollbar-color: var(--#{$prefix}primary) transparent;
+    }
+  }
+}
+
 /*! purgecss end ignore */