style/default/buffer--point.css

   1
   2 @namespace url("http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul");
   3
   4 #point {
   5   width: 30px;
   6   height: 30px;
   7   background-color: none;
   8   border: 2px solid red;
   9   -moz-user-focus: normal;
  10 }