<body>
<p style=border-style:none>无边框</p>
<p style=border-style:dotted>点线式边框</p>
<p style=border-style:dashed>破折线式边框</p>
<p style=border-style:solid>直线式边框</p>
<p style=border-style:double>双线式边框</p>
<p style=border-style:groove>槽线式边框</p>
<p style=border-style:ridge>脊线式边框</p>
<p style=border-style:inset>内嵌效果的边框</p>
<p style=border-style:outset>突起效果的边框</p>
</body>