CSS系列之手写三角形 #25

<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
    <style>
        .triangle {
            width: 0;
            height: 0;
            border-style: solid;
            border-width: 50px;
            border-color: transparent transparent red transparent;
        }

        /* 简写版 */
        .triangle2 {
            width: 0;
            height: 0;
            border: 50px solid transparent;
            border-top-color: orange;
        }
    </style>
</head>

<body>
    <div class="triangle"></div>
    ————
    <div class="triangle2"></div>
</body>

</html>