<!DOCTYPE html>
<html lang="en">
  <head>
    <meta charset="UTF-8" />
    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
    <script
      type="text/javascript"
      src="https://cdn.jsdelivr.net/npm/jquery@2.2.4/dist/jquery.min.js"
    ></script>
    <script
      type="text/javascript"
      src="https://cdn.jsdelivr.net/npm/dat.gui@0.6.5/build/dat.gui.min.js"
    ></script>
    <title>Test Container</title>
  </head>
  <body>
    <style>
      html,
      body {
        margin: 0;
        overflow: hidden;
      }
      #main {
        position: absolute;
        left: 0px;
        top: 0px;
        right: 0px;
        bottom: 0px;
      }
    </style>
    <div id="main"></div>
  </body>
</html>