css三角做法
程序员文章站
2022-05-26 22:22:45
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发现
当给一个宽度、高度为0的盒子加上四个不同颜色的边框，时发现出现四个三角
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Document</title>
<style>
.box1 {
width: 0;
height: 0;
/* border: 10px solid pink; */
border-top: 10px solid pink;
border-right: 10px solid red;
border-left: 10px solid green ;
border-bottom: 10px solid blue;
}
</style>
</head>
<body>
<div class="box1"></div>
</body>
</html>
代码如下：
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Document</title>
<style>
.box1 {
width: 0;
height: 0;
/* border: 10px solid pink; */
border-top: 10px solid pink;
border-right: 10px solid red;
border-left: 10px solid green ;
border-bottom: 10px solid blue;
}
.box2 {
width: 0;
height: 0;
border: 50px solid transparent;
border-top-color: pink;
margin: 100px auto;
}
</style>
</head>
<body>
<div class="box1"></div>
<div class="box2"></div>
</body>
</html>
三角应用-京东效果
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Document</title>
<style>
.box1 {
width: 0;
height: 0;
/* border: 10px solid pink; */
border-top: 10px solid pink;
border-right: 10px solid red;
border-left: 10px solid green ;
border-bottom: 10px solid blue;
}
.box2 {
width: 0;
height: 0;
border: 50px solid transparent;
border-top-color: pink;
margin: 100px auto;
}
.jd {
position: relative;
width: 120px;
height: 249px;
background-color: pink;
}
.jd span {
position: absolute;
top: -20px;
left: 70px;
width: 0;
height: 0;
/* 为了照顾兼容性 */
line-height: 0;
font-size: 0;
border: 10px solid transparent;
border-bottom-color:pink;
}
</style>
</head>
<body>
<div class="box1"></div>
<div class="box2"></div>
<div class="jd">
<span></span>
</div>
</body>
</html>
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