diff --git a/example/static/marmite.css b/example/static/marmite.css
index b769984..03b4de3 100644
--- a/example/static/marmite.css
+++ b/example/static/marmite.css
@@ -227,4 +227,8 @@ pre:has(> code.language-mermaid) {
   .hamburger {
     display: block;
   }
+
+  .underline {
+    display: none;
+  }
 }