phd-userChrome-floating-menubar.css

/* floating menubar */
toolbar#toolbar-menubar {
    position: absolute !important;
    top: 0 !important;
    left: 0 !important;
    width: 100% !important;
    display: block !important;
    visibility: visible !important;
    z-index: 1000000 !important;
    background: ButtonFace !important;
}
toolbaritem#menubar-items {
    flex-direction: initial !important;
}
menubar#main-menubar > menu[open='true'], menubar#main-menubar > menu:hover {
    -moz-appearance: menuitemtext !important;
    background-color: Highlight !important;
    color: HighlightText !important;
}