title: How to add scrollbar in modal?
body: <p>I have my modal in css and I wanted to add a scroll to it when there are too many elements but I don't know how.</p>
  <p>It looks like: <a href="https://i.stack.imgur.com/4Txrn.png" rel="nofollow noreferrer">https://i.stack.imgur.com/4Txrn.png</a></p>
  <p>How add right scrollbar?</p>
  <pre><code>CSS: https://pastebin.com/S0dFjdX6
  </code></pre>