使用border属性制作三角:当给一个宽高为0的盒子设置不同颜色的边框时会如下图所示,由此可见,想要设置三角,则可以将其余三条边框设置为透明色
<!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>
/* 三角形的做法 */
.box1 {
width: 0;
height: 0;
border-top: 50px solid red;
border-right: 50px solid green;
border-bottom: 50px solid yellow;
border-left: 50px solid purple;
margin: 100px;
}
.box2 {
width: 0;
height: 0;
border: 10px solid transparent;
border-bottom-color: red;
}
</style>
</head>
<body>
<div class="box1"></div>
<div class="box2"></div>
</body>
</html>
标签:50px,bottom,solid,制作,三角,width,border,css
From: https://www.cnblogs.com/af88/p/17502592.html