CSS 实例：设置标题的对齐方式 - 在线编辑器

<html>
<body>

  <h1 style="text-align:center">This is heading 1</h1>
  <h2 style="text-align:left">This is heading 2</h2>
  <h3 style="text-align:right">This is heading 3</h3>
  <h4 style="text-align:justify">This is heading 4</h4>

</body>
</html>
​x
 
<html>
<body>
​
  <h1 style="text-align:center">This is heading 1</h1>
  <h2 style="text-align:left">This is heading 2</h2>
  <h3 style="text-align:right">This is heading 3</h3>
  <h4 style="text-align:justify">This is heading 4</h4>
​
</body>
</html>