change the highlight color from pink to blue

app/assets/stylesheets/style.scss

@@ -11,8 +11,8 @@ html { font-size: 100%; overflow-y: scroll; -webkit-text-size-adjust: 100%; -ms-
 body { margin: 0; font-size: 13px; line-height: 1.231; }
 body, button, input, select, textarea { font-family: sans-serif; color: #222; }
 
-::-moz-selection { background: #fe57a1; color: #fff; text-shadow: none; }
-::selection { background: #fe57a1; color: #fff; text-shadow: none; }
+::-moz-selection { background: #79c3e0; color: #fff; text-shadow: none; }
+::selection { background: #79c3e0; color: #fff; text-shadow: none; }
 
 a { color: #00e; }
 a:hover { color: #06e; }