diff --git a/styles/style.css b/styles/style.css
index 68019a8..f7eeb38 100644
--- a/styles/style.css
+++ b/styles/style.css
@@ -48,6 +48,13 @@ html, body {
     top: 0;
     left: 0;
     z-index: -1;
+    -webkit-touch-callout: none; /* iOS Safari */
+    -webkit-user-select: none; /* Safari */
+     -khtml-user-select: none; /* Konqueror HTML */
+       -moz-user-select: none; /* Old versions of Firefox */
+        -ms-user-select: none; /* Internet Explorer/Edge */
+            user-select: none; /* Non-prefixed version, currently
+                                  supported by Chrome, Edge, Opera and Firefox */
 }
 
 #app-group > h1 {