纯CSS画三角形（带边框）
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纯CSS画三角形（带边框）
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實例一：
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>Title</title>
</head>
<style>
.find-div-body{
position: relative;
top:30px;
right:0px;
width:400px;
height:200px;
padding:8px;
background-color: #FFFFFF;
border: #cccccc solid 1px;
border-radius: 3px;
}
.find-div-body:before{
box-sizing: content-box;
width: 0px;
height: 0px;
position: absolute;
top: -16px;;
right:41px;
padding:0;
border-bottom:8px solid #FFFFFF;
border-top:8px solid transparent;
border-left:8px solid transparent;
border-right:8px solid transparent;
display: block;
content:'';
z-index: 12;
}
.find-div-body:after{
box-sizing: content-box;
width: 0px;
height: 0px;
position: absolute;
top: -18px;;
right:40px;
padding:0;
border-bottom:9px solid #cccccc;
border-top:9px solid transparent;
border-left:9px solid transparent;
border-right:9px solid transparent;
display: block;
content:'';
z-index:10
}
</style>
<body>
<div class="find-div-body">
</div>
</body>
</html>
實現的效果如下圖：
實例二：
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>Title</title>
</head>
<style>
.find-div-body{
position: relative;
top:30px;
left: 100px;
width:400px;
height:200px;
padding:8px;
background-color: #FFFFFF;
border: #cccccc solid 1px;
border-radius: 3px;
}
.find-div-body:before{
box-sizing: content-box;
width: 0px;
height: 0px;
position: absolute;
top: 23px;;
left: -16px;
padding:0;
border-right: 8px solid #FFFFFF;
border-top:8px solid transparent;
border-bottom: 8px solid transparent;
border-left:8px solid transparent;
display: block;
content:'';
z-index: 12;
}
.find-div-body:after{
box-sizing: content-box;
width: 0px;
height: 0px;
position: absolute;
top: 22px;;
left: -18px;
padding:0;
border-right: 9px solid #cccccc;
border-top:9px solid transparent;
border-bottom:9px solid transparent;
border-left:9px solid transparent;
display: block;
content:'';
z-index:10
}
</style>
<body>
<div class="find-div-body">
</div>
</body>
</html>
實現的效果如下圖：
總結
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