diff --git a/style.css b/style.css
index 1094986..9a0b867 100644
--- a/style.css
+++ b/style.css
@@ -319,6 +319,7 @@ body.dark .custom-category div {
   background: #222;
 }
 .custom-header-static {
+  user-select: none;
   font-size: 250%;
   margin: 10px;
   display: inline-block;
@@ -333,6 +334,7 @@ body.dark .custom-header-static {
 }
 
 .custom-header {
+  user-select: none;
   font-size: 250%;
   margin: 10px;
   display: inline-block;