diff --git a/themes/learn2-dark/css/custom.css b/themes/learn2-dark/css/custom.css
index ff2c3ad..6bd9651 100644
--- a/themes/learn2-dark/css/custom.css
+++ b/themes/learn2-dark/css/custom.css
@@ -60,7 +60,7 @@ code {
     */
 }
 .copy-to-clipboard:hover {
-  background-color: #333333 !important; /* overwrite prism.css */
+  background-color: #333333; /* overwrite prism.css */
 }
 
 /* Sidebar currently selected main topic */
@@ -101,6 +101,7 @@ blockquote {
 }
 
 /* disable "copy"-button on hover */
+/*
 div.code-toolbar:hover > .toolbar {
-  opacity: 0 !important; /* overwrite prism.css */
-}
+  opacity: 0 !important;
+}*/