设置轮廓的宽度 - 在线编辑器

          <!DOCTYPE html>
<html>
<head>
  <meta charset="utf-8">
  <style>
    p.one {
      border: 1px solid red;
      outline-style: solid;
      outline-width: thin;
    }

    p.two {
      border: 1px solid red;
      outline-style: dotted;
      outline-width: 3px;
    }
  </style>
</head>
<body>

  <p class="one">This is some text in a paragraph.</p>
  <p class="two">This is some text in a paragraph.</p>

  <p><b>注意:</b> 如果只有一个 !DOCTYPE 指定 IE8 支持 outline 属性。</p>
</body>
</html>
        