.bookmark-item:not([container="true"]) > .toolbarbutton-text {
   display: none !important;
}

.bookmark-item > .toolbarbutton-icon {
   display: -moz-box !important;
   height: 22px !important;
   width: 22px !important;
   padding: 3px !important;
}

.bookmark-item > .toolbarbutton-text {
   display: -moz-box !important;
   height: 22px !important;
   padding: 3px !important;
}

.bookmark-item:hover > .toolbarbutton-icon, 
.bookmark-item:hover > .toolbarbutton-text {
   background-color: #16c !important;
   background-image: none !Important;
}

.bookmark-item:hover {
   background-image: none !important; 
}

.bookmark-item:hover:active > .toolbarbutton-icon,
.bookmark-item[open="true"] > .toolbarbutton-icon,
.bookmark-item:hover:active > .toolbarbutton-text,
.bookmark-item[open="true"] > .toolbarbutton-text {
   background-color: #04C !important;
}