???<meta charset="utf-8" /> ???????<title>练习一</title> ???????<style type="text/css"> ???????????*{ ???????????????margin: 0px; ???????????????padding: 0px; ???????????} ???????????.p1{ ???????????????width: 200px; ???????????????height: 200px; ???????????????border: 1px solid red; ???????????????border-radius: 200px 0px 0px 0px; ???????????} ???????????.p2{ ???????????????width: 100px; ???????????????height: 200px; ???????????????border: 1px dashed red; ???????????????border-right:1px solid green; ???????????????border-radius: 200px 0px 0px 200px; ???????????} ????????</style> ????????????</head> ???<body> ???????<div class="p1"></div> ???????<div class="p2"></div> ???</body></html>css边框1
原文地址：https://www.cnblogs.com/wwwljcom/p/10315985.html