@namespace url("http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul");

/**
 * Disable background images for closebox in tabs.
 * This must be activated on:
 *  - WINNT, any version
 *  - OS X, any version
 *  - Linux, Firefox 30 or older
 * See: https://bugzilla.mozilla.org/show_bug.cgi?id=879921
 */

.tabbrowser-tabs:not([treestyletab-tabbar-position="top"])
  .tabbrowser-tab
  .tab-close-button,
.tabbrowser-tabs:not([treestyletab-tabbar-position="top"])
  .tabbrowser-tab[selected="true"]
  .tab-close-button {
	height: auto;
	background: transparent;
}
