title: How to set the CSS styles for the slider thumb in Chrome/Safari?
body: <p>This does not work:</p>
  
  <pre><code>input[type=range]:focus::-webkit-slider-thumb {
      background-color: green;
  }
  </code></pre>
  
  <p>I can't set styles for the slider thumb in Chrome/Safari. How do I do it?</p>