Roomy Bookmarks Toolbar

userChrome.css

@namespace url("http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul"); /* only needed once in userChrome.css */

.bookmark-item{
    margin-left: 0px !important;
    margin-right: 0px !important;

    padding-left: 2px !important;
    padding-right: 2px !important;
    padding-top: 2px !important;
    padding-bottom: 2px !important;
}
toolbarbutton.bookmark-item .toolbarbutton-text{
    display: none !important;
}
toolbarbutton.bookmark-item .toolbarbutton-icon{
    margin-left: 1px !important;
    margin-right: 1px !important;
}
#PlacesToolbarItems > .bookmark-item > .toolbarbutton-icon[label]:not([label=""]) {
    margin-inline-end: 2px !important;
}
toolbarbutton.subviewbutton.subviewbutton-iconic .toolbarbutton-text{
    display: -moz-box !important;
}

/* --- [1] --- */
toolbarbutton.bookmark-item:hover:not(.subviewbutton):not([disabled="true"]):not([open]) .toolbarbutton-text{
    display: -moz-box !important;
}
/* --- [/1] --- */

/* --- [2] --- */
toolbarbutton.bookmark-item[type="menu"]{
    /* margin-right: .5em !important */
}
toolbarbutton.bookmark-item[type="menu"] .toolbarbutton-text{
    display: -moz-box !important;
}
/* --- [/2] --- */

#PersonalToolbar{
    padding-top: 2px !important;
    padding-bottom: 5px !important;
}