- top: 5px;
- left: 0;
- width: 14px;
- height: 14px;
- background-repeat: no-repeat;
- background-position: center;
- background-image: url("chrome://global/skin/tree/twisty-closed.gif");
-}
-
-.expander[expanded] {
- background-image: url("chrome://global/skin/tree/twisty-open.gif");