2023-07-01 css之邮票锯齿-526互联

<!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>css之邮票锯齿</title>
</head>

<body>
    <div class="box"></div>
</body>

</html>
<style>
    .box {
        position: relative;
        left: 10px;
        width: 220px;
        height: 220px;
        background-color: #ccc;
    }

    .box::before {
        content: "";
        position: absolute;
        top: 0;
        display: block;
        width: 20px;
        height: 100%;
        background-size: 40px 20px;

        left: -20px;
        background-color: transparent;
        background-position: 100% 35%;
        background-image: linear-gradient(-45deg, #ccc 25%, transparent 25%, transparent),
            linear-gradient(-135deg, #ccc 25%, transparent 25%, transparent),
            linear-gradient(-45deg, transparent 75%, #ccc 75%),
            linear-gradient(-135deg, transparent 75%, #ccc 75%);
    }
</style>