title: How to use CSS background-attachment in <img> tag?
body: <p>How would you use the CSS style <code>background-attachment</code> and apply it to an <code>&lt;img&gt;</code> tag? </p>
  
  <pre><code>&lt;img src="ok.jpg"&gt;
  </code></pre>
  
  <p>CSS:</p>
  
  <pre><code>img {
    background-attachment: fixed;
  } 
  </code></pre>