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作者： 作者的头像   s糖 ,  2023-11-15 23:08:37 ,  所有人可见 ,  阅读 86

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<!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>Mary Christmas</title>
    <style>
        * {
            padding: 0;
            margin: 0;
            list-style: none;
        }

        body {
            display: flex;
            height: 100vh;
            justify-content: center;
            align-items: center;
            background-color: rgb(54, 66, 70);
        }

        .tree {
            position: relative;
            width: 500px;
            height: 700px;
            display: flex;
            justify-content: center;
        }

        .star {
            width: 50px;
            height: 50px;
            position: absolute;
            background-color: rgb(236, 234, 167);
            z-index: 999;
            margin-bottom: 40px;
            clip-path: polygon(50% 0, 65% 40%, 100% 40%, 72% 60%,
                    85% 100%, 50% 75%, 15% 100%, 28% 60%, 0 40%, 35% 40%);
        }

        .tree li {
            position: absolute;
            top: 25px;
            width: 2px;
            background: linear-gradient(rgba(46, 204, 113, 0), rgba(46, 204, 113, .25));
            transform-origin: 50% 0;
            animation: swing 4s ease-in-out infinite;
            height: calc(var(--i)*4px);
            animation-delay: calc(var(--i)*-0.23s);
        }

        @keyframes swing {

            0%,
            100% {
                transform: rotate(-30deg);
            }

            5%,
            45% {
                opacity: 0.25;
            }

            0%,
            50%,
            100% {
                opacity: 1;
            }

            50% {
                transform: rotate(30deg);
            }
        }

        .tree li::before {
            content: '';
            position: absolute;
            left: -1px;
            bottom: 1px;
            width: 3px;
            height: 3px;
        }

        .tree li:nth-child(4n)::before {
            background-color: #D8334A;
        }

        .tree li:nth-child(4n+1)::before {
            background-color: #FFCE54;
        }

        .tree li:nth-child(4n+2)::before {
            background-color: #2ECC71;
        }

        .tree li:nth-child(4n+3)::before {
            background-color: #5D9CEC;
        }
    </style>
</head>

<body>
    <ul class="tree">
        <div class="star"></div>
    </ul>
</body>
<script>
    let tree = document.querySelector('.tree')
    for (let i = 0; i < 128; i++) {
        let li = document.createElement('li')
        li.style = "--i:" + i
        tree.appendChild(li)
    }
</script>

</html>

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