<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8" />
<title>css 尖边框的实现</title>
<style type="text/css">
.tipbox:before,.tipbox:after {
content: "";
position: absolute;
border-style: dashed dashed solid dashed;
line-height: 1;
display: inline-block;
}
.tipbox:after {
left: 75px;
border-color: transparent transparent #D7DADB;
border-width: 11px;
top: -22px;
z-index: 1080
}
.tipbox:before {
left: 76px;
border-color: transparent transparent #FFF;
border-width: 10px;
top: -19px;
z-index: 1081
}
.tipbox {
position: absolute;
top: 30px;
left: 65px;
width: 150px;
color: #0DBA8F;
background-color: #FFF;
border: 1px solid #D7DADB;
display: block;
padding: 5px;
text-align: center;
border-radius: 2px;
word-wrap: break-word;
break-word: break-all;
}
</style>
</head>
<body>
<div class="tipbox">
<br />
<ul>
<li>列表一列表一列表一列表一</li>
<li>列表一列表一列表一列表一</li>
<li>列表一列表一列表一列表一</li>
</ul>
</div>
</body>
</html>
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