examples/loader-4.html

<!DOCTYPE html>
<html class="no-js" lang="">
<head>
  <meta charset="utf-8">
  <meta http-equiv="x-ua-compatible" content="ie=edge">
  <title>Loader No JS Demo</title>
  <meta name="description" content="">
  <meta name="viewport" content="width=device-width, initial-scale=1">
  <style type="text/css">
  /* CSS styles */
  /* Example by brunjo at http://codepen.io/brunjo/pen/ByjRPy */

  body {
    background: #3498db;
    font-family: sans-serif;
  }
  h1 {
    position: relative;
    color: rgba(0, 0, 0, .3);
    font-size: 5em
  }
  h1:before {
    content: attr(data-text);
    position: absolute;
    overflow: hidden;
    max-width: 7em;
    white-space: nowrap;
    color: #fff;
    animation: loading 8s linear;
  }
  @keyframes loading {
    0% {
      max-width: 0;
    }
  }
  </style>

</head>
<body>
  <!--[if lt IE 8]>
  <p class="browserupgrade">You are using an <strong>outdated</strong> browser. Please <a href="http://browsehappy.com/">upgrade your browser</a> to improve your experience.</p>
  <![endif]-->

  <h1 data-text="It's loading…">It's loading…</h1>

</body>
</html>