phd-userChrome-auto-hide-navigation-and-bookmarks.css

/* WIP */

/* hide Bookmarks and Navigation Bar when not hovered */
#navigator-toolbox:not(:hover) #PersonalToolbar, #navigator-toolbox:not(:hover) #nav-bar {
/*
    min-height: 0px !important;
    height: 0px !important;
    overflow: hidden !important;
*/
/*
    display: none !important;
*/
/*
    margin-top: -10000px !important;
    position: absolute !important;
*/
}

#PlacesToolbar:not(:hover) #PlacesToolbarItems {
/*
    margin-top: -10000px !important;
    position: absolute !important;
*/
    display: none !important;
}