W3School TIY
编辑您的代码：
<html> <head> <style type="text/css"> p.soliddouble {border-style: solid double} p.doublesolid {border-style: double solid} p.groovedouble {border-style: groove double} p.three {border-style: solid double groove} </style> </head> <body> <p class="soliddouble">Some text</p> <p class="doublesolid">Some text</p> <p class="groovedouble">Some text</p> <p class="three">Some text</p> </body> </html>
查看结果: