diff --git a/static/css/prototype.css b/static/css/prototype.css
index 6f4631a..0c07f03 100644
--- a/static/css/prototype.css
+++ b/static/css/prototype.css
@@ -1,5 +1,10 @@
 body {
     overflow: hidden;
+    -moz-user-select: none;
+    -webkit-user-select: none;
+    -ms-user-select:none;
+    user-select:none;
+    -o-user-select:none;
 }
 
 html, body {