Disable text selection

css/styles.css

@@ -7,6 +7,15 @@ body, html {
   background-color: black;
 }
 
+* {
+  padding: 0;
+  margin: 0;
+  /* Disable text selection */
+  -webkit-user-select: none; /* Safari */
+  -ms-user-select: none; /* IE 10 and IE 11 */
+  user-select: none; /* Standard syntax */
+}
+
 h1, h2, h3, h4, h5, p {
   padding: 0;
   margin: 0;