.widget-overflow-list .toolbarbutton-1:not(:-moz-any([disabled],[open],:active)):hover,
.toolbaritem-combined-buttons:-moz-any(:not([cui-areatype="toolbar"]), [overflowedItem=true])
> toolbarbutton:not(:-moz-any([disabled],[checked="true"],[open],:active)):hover {
.widget-overflow-list .toolbarbutton-1:not(:-moz-any([disabled],[open],:active)):hover,
.toolbaritem-combined-buttons:-moz-any(:not([cui-areatype="toolbar"]), [overflowedItem=true])
> toolbarbutton:not(:-moz-any([disabled],[checked="true"],[open],:active)):hover {