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

/* REMOVE DROPDOWN MARKER */
#un-toolbarbutton > dropmarker {
    display: none !important;
}

/* ADJUST MARGINS */
.un-icons {
  margin: -1px 0px 0px 0px !important;
  padding: 0px !important;
}

/* HALF-OPACITY WHEN NO UPDATES */
.un-icons[icon="none"] {
 opacity: 0.5 !important;
}