/*naavbar*/
/* Hide navigation bar by default */
#urlbar{
  --urlbar-toolbar-height: 40px !important;
}

#navigator-toolbox > #nav-bar {
  height: 40px;
  transition: all 0.5s ease;
  background-color: var(--background-color);
  position: fixed;
  z-index: 2;
  width: 100%;
  top: 43px;
}

#navigator-toolbox:not(:hover) > #nav-bar {
  height: 0;
  min-height: 0;
}