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

#downbarMainMenuButton, 
#downbarClearButton,
#downbarHolder { 
-moz-appearance: none !important; 
color: #ffffff !important; 
opacity: 0.95;
}

#downbarMainMenuButton,
#downbarClearButton,
#downbarHolder .toolbarbutton-text {
color: #000 !important;
margin-bottom: 1px !important;

}

#stumbleupon {
-moz-appearance: none !important;
border: 0 !important;
padding: 2px 2px 3px 2px !important;
}

.tabbrowser-tabs tab {
background-color: -moz-rgba(255,255,255,0.35) !important;
}