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

/* start browser frame */
browser:not([id="stumble_browser"]) {
  border: 2px solid;
  -moz-border-top-colors: ThreeDShadow ThreeDDarkShadow;
  -moz-border-right-colors: ThreeDHighlight ThreeDLightShadow;
  -moz-border-bottom-colors: ThreeDHighlight ThreeDLightShadow;
  -moz-border-left-colors: ThreeDShadow ThreeDDarkShadow;
 }

#browser {
 border: 0px !important;
 background-image: none !important;
 }
/* end browser frame*/