diff --git a/css/pdfdraw.css b/css/pdfdraw.css
index 59c5ee8..93af5a1 100644
--- a/css/pdfdraw.css
+++ b/css/pdfdraw.css
@@ -281,6 +281,7 @@
   margin-bottom: 5px;
   font-size: 18px;
   cursor: pointer;
+  user-select: none;
 }
 
 .textareaContainer .deleteButton[disabled] {
@@ -298,4 +299,5 @@
   text-overflow: ellipsis;
   white-space: nowrap;
   border-radius: 4px;
+  user-select: none;
 }