@namespace url("http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul"); resizer { /* -moz-appearance: resizer; */ background: url("chrome://global/skin/icons/resizer.png") no-repeat; background-size: 100% 100%; cursor: se-resize; width: 15px; height: 15px; } resizer[rtl="true"], resizer[dir="bottomend"]:-moz-locale-dir(rtl) { transform: scaleX(-1); } resizer[dir="left"], resizer[dir="bottomleft"], resizer[dir="bottomstart"] { transform: scaleX(-1); } resizer[dir="bottomleft"], resizer[dir="bottomstart"]:not([rtl="true"]):not(:-moz-locale-dir(rtl)), resizer[dir="bottomend"][rtl="true"] { cursor: sw-resize; } resizer[dir="top"], resizer[dir="bottom"] { cursor: ns-resize; } resizer[dir="left"], resizer[dir="right"] { cursor: ew-resize; } resizer[dir="topleft"] { cursor: nw-resize; } resizer[dir="topright"] { cursor: ne-resize; }