查看实例 1 - - 在线编辑器

          <html>
<head>
  <style>
    body {
      background-color: yellow;
    }

    h1 {
      font-size: 36pt;
    }

    h2 {
      color: blue;
    }

    p {
      margin-left: 50px;
    }
  </style>
</head>

<body>

  <h1>This header is 36 pt</h1>
  <h2>This header is blue</h2>

  <p>This paragraph has a left margin of 50 pixels</p>

</body>
</html>
        

查看 实例 1 -

查看实例 1 -