<!DOCTYPE html>
<!--
 | When the font family name within a font-face rule is the same as a
 | font family available in a given user's environment, it effectively
 | hides the underlying font.
 |   https://www.w3.org/TR/css3-fonts/#font-family-desc
 -->
<html>
<head>
  <meta charset="utf-8">
  <style>
    body {
      margin: 0;
      font-family: Roboto;
      font-size: 30px;
      font-weight: normal;
      color: #fff;
    }
    .containing-block {
      background-color: #03a9f4;
      width: 700px;
    }
    .serif-div {
      font-family: serif;
    }
    .sans-serif-div {
      font-family: sans-serif;
    }
    .roboto-div {
      font-family: Roboto;
    }
    .sans-serif-smallcaps-div {
      font-family: sans-serif-smallcaps;
    }
    @font-face {
      font-family: Roboto;
      src: local(DancingScript);  /* Try using a Postscript name of a typeface.
                                   */
    }
    @font-face {
      font-family: serif;
      src: local(Coming Soon);  /* Try using a Full Name of a typeface. */
    }
  </style>
</head>
<body>
  <div class="containing-block">
    <div class="serif-div">The Hegemony Consul</div>
    <div class="sans-serif-div">The Hegemony Consul</div>
    <div class="roboto-div">The Hegemony Consul</div>
    <div class="sans-serif-smallcaps-div">The Hegemony Consul</div>
  </div>
</body>
</html>