title: How to make a shadow in the middle css
body: <p><img src="https://i.stack.imgur.com/zCQgc.png" alt="enter image description here" /></p>
  <p>I'm using <code>shadow-box</code> but it makes all the container wrapped with shadow.</p>
  <p>How can I make a shadow only in the middle like in the picture above?</p>