<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title>after和before生成小三角</title>
<style>
body{
/*background: #000000;*/
}
.tooltips{
width: 120px;
height: 40px;
background: #fbfbfb;
border: 1px solid #ddd;
border-radius: 5px;
position: relative;
}
.tooltips:before{
position:absolute;
width: 0;
height: 0;
border-bottom: 9px solid transparent;
border-right: 9px solid transparent;
border-top: 9px solid transparent;
border-left: 9px solid #d5d5d5;
right: -19px;
top: 10px;
content: "";
}
.tooltips:after{
position:absolute;
width: 0;
height: 0;
border-bottom: 9px solid transparent;
border-right: 9px solid transparent;
border-top: 9px solid transparent;
border-left: 9px solid #fbfbfb;
right: -18px;
top: 10px;
content: "";
}
</style>
</head>
<body style="margin: 200px;">
<div class="tooltips">
</div>
</body>
</html>
CSS3-对话框图形
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转载自blog.csdn.net/AsaZyf/article/details/82974496
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