下面的示例把span元素作为块元素 - 在线编辑器

          <!DOCTYPE html>
<html>
<head>
  <meta charset="utf-8">
  <style>
    span {
      display: block;
    }
  </style>
</head>
<body>

  <h2>Nirvana</h2>
  <span>Record: MTV Unplugged in New York</span>
  <span>Year: 1993</span>
  <h2>Radiohead</h2>
  <span>Record: OK Computer</span>
  <span>Year: 1997</span>

</body>
</html>
        