title: How to make an overlap 3d background in CSS?
body: <p>!<a href="https://i.stack.imgur.com/2WDF6.png" rel="nofollow noreferrer">For example, look at how it's done here
  </a></p>
  
  <p>I'd like to achieve something like this using CSS. How might this be done?</p>
  
  <p>I like how the yellow background looks like it's 3d.</p>