.sprites-nav, .mw_nav_button[data-ur-state="disabled"] {
  color: red; }

.sprites-nav_up, .mw_nav_button[data-ur-state="enabled"] {
  color: green; }

.mw_nav_button {
  float: right;
  width: 30px;
  height: 30px;
  margin: 10px 10px 10px 0;
  overflow: hidden; }