<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="utf-8">
  <title>WebRTC API</title>
  <style>
    #caller, #receiver {
      float: left;
      margin: 5px;
      padding: 5px;
      border: 1px solid #000000;
    }
  </style>
  <script src="webrtc.js"></script>
</head>
<body>
  <section id="caller">
    <video id="callermedia" width="150" height="150"></video>
    <br><input type="button" id="callbutton" value="Call">
  </section>
  <section id="receiver">
    <video id="receivermedia" width="500" height="500"></video>
  </section>
</body>
</html>