three.js/text.html at main · blueyuyu/three.js · GitHub

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

<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
</head>

<body>
    <button class="goHeadBtn">前进</button>


    <style>
        @import url('https://fonts.googleapis.com/css?family=Source+Sans+Pro:900i&display=swap');

        :root {
            --border-width: 0.1875em;
        }

        * {
            box-sizing: border-box;
        }

        body {
            /* background: #003; */
            margin: 2em;
            font-family: 'Source Sans Pro', sans-serif;
            text-align: center;
        }

        .goHeadBtn {
            font-family: 'Source Sans Pro', sans-serif;
            font-size: 1.25rem;
            line-height: 1;
            -moz-appearance: none;
            -webkit-appearance: none;
            vertical-align: middle;
            display: inline-block;
            color: #fff;
            text-transform: uppercase;
            font-weight: 900;
            font-style: italic;
            margin: 0 auto;
            padding: 0.75em 1.5em;
            background: linear-gradient(199deg, #f24a3e, #fb7f62, #ffad89, #ffd8b1);
            background-clip: padding-box, border-box;
            background-size: 100% 100%, calc(100% + var(--border-width) + var(--border-width)) calc(100% + var(--border-width) + var(--border-width));
            background-position: 0 0, calc(var(--border-width) * -1) calc(var(--border-width) * -1);
            border-radius: 0.875em;
            border: var(--border-width) solid transparent;
            box-shadow: 0 0.125em 0.25em #fb7f62, 0 0 2em #ffd8b1;
            cursor: pointer;
            transition: box-shadow 0.3s ease-out, transform 0.3s ease-out;

            &:hover {
                box-shadow: 0 0.25em 0.75em #f24a3e, 0 0.125em 2em #ffad89;
                transform: translateY(-0.125em);
            }
        }
    </style>
</body>

</html>