CodePen Embed - Em_ul

<h1>Commonly Used CSS Units</h1>

<div class="em">
  <h2><em>em</em></h2>
  <ul>
    <li>Lorem</li>
    <ul>
      <li>Lorem</li>
      <ul>
        <li>Lorem</li>
      </ul>
    </ul>
  </ul>
</div>

html {
  font-size: 12px;
}
body {
  background-color: #ccc;
}

div {
  padding: 1rem;
  margin: 1rem;
  background-color: #fff;
  color: #000;
  border: 2px solid #000;
}

h1,
h2,
h3 {
  text-align: center;
}

div.em {
  font-size: 20px;
}

ul {
  font-size: 2em; 
}

This Pen is owned by Bharati Subramanian on CodePen.

See more by @bhaaratii on CodePen

External CSS

This Pen doesn't use any external CSS resources.

External JavaScript

This Pen doesn't use any external JavaScript resources.