在线运行代码 - 菜鸟教程

<!DOCTYPE html>
<html>
<body>

<p>This is some text. This is some text. This is some text.</p>

<hr style="width:50%;text-align:left;margin-left:0">

<p>This is some text. This is some text. This is some text.</p>

</body>
</html>

源代码

动行结果