diff --git a/assets/css/content/functions.css b/assets/css/content/functions.css
index 8c85572fe..1d3f98e40 100644
--- a/assets/css/content/functions.css
+++ b/assets/css/content/functions.css
@@ -17,7 +17,7 @@
 .content-inner .detail-header {
   margin: 2.0em 0 1.0em;
   padding: .5em 1em;
-  background-color: var(--textDetailBackground);
+  background-color: var(--codeBackground);
   border-left: 3px solid var(--main);
   font-size: 1em;
   font-family: var(--monoFontFamily);
@@ -32,7 +32,6 @@
   display: inline-block;
   font-family: var(--monoFontFamily);
   font-size: 1rem;
-  font-weight: 700;
 }
 
 .content-inner .detail-header:hover a.detail-link {
diff --git a/assets/js/handlebars/templates/tooltip-body.handlebars b/assets/js/handlebars/templates/tooltip-body.handlebars
index 9ee40d1ca..22a3a728d 100644
--- a/assets/js/handlebars/templates/tooltip-body.handlebars
+++ b/assets/js/handlebars/templates/tooltip-body.handlebars
@@ -4,10 +4,10 @@
   </section>
 {{else}}
   <div class="detail-header">
-    <h1 class="signature">
+    <div class="signature">
       <span translate="no">{{this.hint.title}}</span>
       <div class="version-info" translate="no">{{this.hint.version}}</div>
-    </h1>
+    </div>
   </div>
   {{#if this.hint.description}}
     <section class="docstring">