<hr> 水平样式分隔线
<html> <body> <p>hr 标签定义水平线:</p> <hr /> <p>这是段落。</p> <hr /> <p>这是段落。</p> <hr /> <p>这是段落。</p> 实心线:<HR align=left width=490 color=#990099 SIZE=3 noShade> 虚线:<hr size=1 style="color: blue;border-style:dotted;490px;color:#CCC"> 双线:<hr size=1 style="COLOR:#ff9999;border-style:double;490px;color:#CCC"> 立体: <hr size=8 style="COLOR: #ffd306;border-style:outset;490px;color:#CCC"> <hr style=" height:2px;border:none;border-top: 2px ridge green;" > </body> </html>
<tr><td colspan="4"><hr style="height:1px;border:none;border-top:1px solid #AAAAAA;" /></td></tr>