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CSS绘制三角形

2016-06-20 18:25 453 查看

<%@ page language="java" contentType="text/html; charset=UTF-8"
pageEncoding="UTF-8"%>
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
<title>Insert title here</title>
<style type="text/css">
#triangle-up {
width: 0;
height: 0;
border-left: 50px solid transparent;
border-right: 50px solid transparent;
border-bottom: 100px solid red;
}
#triangle-down {
width: 0;
height: 0;
border-left: 50px solid transparent;
border-right: 50px solid transparent;
border-top: 100px solid red;
}
#triangle-left {
width: 0;
height: 0;
border-top: 50px solid transparent;
border-right: 100px solid red;
border-bottom: 50px solid transparent;
}
#triangle-right {
width: 0;
height: 0;
border-top: 50px solid transparent;
border-left: 100px solid red;
border-bottom: 50px solid transparent;
}
#triangle-topleft {
width: 0;
height: 0;
border-top: 100px solid red;
border-right: 100px solid transparent;
}
#triangle-topright {
width: 0;
height: 0;
border-top: 100px solid red;
border-left: 100px solid transparent;
}
#triangle-bottomleft {
width: 0;
height: 0;
border-bottom: 100px solid red;
border-right: 100px solid transparent;
}
#triangle-bottomright {
width: 0;
height: 0;
border-bottom: 100px solid red;
border-left: 100px solid transparent;
}
</style>

</head>
<body>
<div style="position: absolute;left: 0px;" id="triangle-up"></div>
<div style="position: absolute;left: 200px;" id="triangle-down"></div>
<div style="position: absolute;left: 400px;" id="triangle-left"></div>
<div style="position: absolute;left: 600px;" id="triangle-right"></div>
<div style="position: absolute;top:150px;left: 0px;" id="triangle-topleft"></div>
<div style="position: absolute;top:150px;left: 200px;" id="triangle-topright"></div>
<div style="position: absolute;top:150px;left: 400px;" id="triangle-bottomleft"></div>
<div style="position: absolute;top:150px;left: 600px;" id="triangle-bottomright"></div>
</body>
</html>

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