title: Can't apply width and height to -webkit-scrollbar using CSS
body: <pre><code>::-webkit-scrollbar {
      width: 5px;
      height: 5px;
  }
  
  ::-webkit-scrollbar-thumb {
      background-color:#808080;
  }
  </code></pre>
  
  <p>Why do the width and height attributes not work?</p>