FE_Algorithm/CJ4-CSS画三角形.html

<!--
 * @Author: Ran
 * @Date: 2021-03-25 10:13:22
 * @LastEditTime: 2021-03-25 10:13:53
 * @FilePath: \JZoffer\FE_Algorithm\CJ4-CSS画三角形.html
 * @Description: 
-->
<!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>
        div {
            width: 0;
            height: 0;
            border-top: 40px solid transparent;
            border-left: 40px solid transparent;
            border-right: 40px solid transparent;
            border-bottom: 40px solid #ff0000;
        }
    </style>
</head>

<body>
    <div></div>
</body>

</html>