html运行实例（eg_html5_browsers）-搜寻教程库

代码示例：（标识：eg_html5_browsers）

<!DOCTYPE html>
<html>

<head>
  <title>Styling the article element</title>
  <script>document.createElement("myHero")</script>
  <style>
      myHero {
        display:block;
        background-color:#ddd;
        padding: 50px;
        font-size: 30px;
      }  
  </style>
</head>

<body>

<h1>My First Heading</h1>

<p>My first paragraph.</p>

<myHero>My First Hero</myHero>

</body>
</html>