三角缺口的边框

<!doctype html>
<html>
<head>
<meta charset="UTF-8">
<title>带三角缺口的边框</title>
<style>
.out {
    display:block;
    width:0;
    height:0;
    border-left:6px dashed transparent;
    border-right:6px dashed transparent;
    border-top:0;
    border-bottom:7px solid #ccc;
    position:relative;
    top:-7px;
    left:50%;
}
.inner {
    position:absolute;
    border-left:6px dashed transparent;
    border-right:6px dashed transparent;
    border-top:0;
    border-bottom:7px solid #fff;
    left:-6px;
    top:2px;
}
div {
    position:relative;
    margin:0 auto;
    width:80px;
    height:100px;
    border:1px solid #ccc;
    border-radius:5px;
}
    
</style>
</head>

<body>
<div>
<span class="out">
    <span class="inner"></span>
</span>
</div>
</body>
</html>

posted on 2014-11-22 15:35 刘小涛阅读(315) 评论(0) 收藏举报