index.html

<!doctype html>
<html>
<head>
  <meta charset="utf-8" />
  <meta name="viewport" content="width=device-width" />
  <title>My static Space</title>
  <style>
    html, body {
      margin: 0;
      padding: 0;
      height: 100%;
    }
    body {
      display: flex;
      justify-content: center;
      align-items: center;
    }
    iframe {
      width: 430px;
      height: 932px;
      border: none;
    }
  </style>
</head>
<body>
  <iframe src="https://colearn.intern-ai.org.cn/cobuild" title="description"></iframe>
</body>
</html>