#statuspanel {display:none!important;}
#urlpanel {display:none!important;}

#TabsToolbar {
  visibility: collapse !important;
}


#nav-bar {
  background-color: rgba(0, 0, 0, 0.3) !important;
  backdrop-filter: blur(6px);
  -moz-backdrop-filter: blur(6px);
}
#navigator-toolbox:not(:hover) #nav-bar {
    visibility: collapse !important;
}
/* Hide that 1px border to make the background
 * between tab and a normal web page looks "seamless"
 */

#navigator-toolbox:not(:hover) {
    border-bottom: none !important;
}