@namespace url(http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul);
#tabgroups-toolbar {
padding:2px 0px 0px 0px !important;
margin-bottom:-6px !important;
}
#tabgroups-toolbar tab {

}
.tab-middle {
margin:1px 3px 4px 3px !important;
}
#TG-new-group {

}
#TG-new-group .toolbarbutton-text {
display:none !important;
}
#TG-new-group .toolbarbutton-icon {
margin:1px 6px !important;
}