@namespace url(http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul);
.tabs-newtab-button:not([anonid="newtab-button"]) {
-moz-border-radius-topleft: 2px !important;
-moz-border-radius-topright: 12px !important;
margin-left: -1px!important;
}
.tabs-newtab-button:not([anonid="newtab-button"]) .toolbarbutton-icon {
margin-left: -2px!important;
}