/* The emerging W3C standard
   that is currently Firefox-only */
   * {
    scrollbar-width: thin;
    scrollbar-color: #777 black;
  }
  
  /* Works on Chrome/Edge/Safari */
  *::-webkit-scrollbar {
    width: 1px;
  }
  *::-webkit-scrollbar-track {
    background: black;
  }
  *::-webkit-scrollbar-thumb {
    background-color: #777;
  }
  *::-webkit-scrollbar-thumb:hover {
    background-color: #fff;
  }