<body>
<p>JS Study </p>
<span style="text-indent:2em; ">说好的缩进2个字符呢？</span>
<span style="text-indent:2em; display:block">正文缩进2个字符</span>
</body>
<body>
<p>JS Study </p>
<span style="text-indent:2em; ">说好的缩进2个字符呢？</span>
<span style="text-indent:2em; display:block">正文缩进2个字符</span>
</body>