diff --git a/app/styles/base.css b/app/styles/base.css
index 7e5b6930..1ff7f8e9 100644
--- a/app/styles/base.css
+++ b/app/styles/base.css
@@ -246,6 +246,8 @@ html {
   background-color: rgb(110, 132, 163);
   border-radius: 0 10px 10px 0;
 
+  user-select: none;
+  -webkit-user-select: none;
 }
 #noVNC_control_bar.noVNC_open {
   box-shadow: 6px 6px 0px rgba(0, 0, 0, 0.5);