diff --git a/site/assets/scss/_syntax.scss b/site/assets/scss/_syntax.scss
index 56bc2840ec..54f0cdaaa8 100644
--- a/site/assets/scss/_syntax.scss
+++ b/site/assets/scss/_syntax.scss
@@ -17,7 +17,7 @@
   --base0F: #333;
 }
 
-.hll { background-color: #fff; }
+.hl { background-color: var(--base02); }
 .c { color: var(--base03); }
 .err { color: var(--base08); }
 .k { color: var(--base0E); }