guorui
/
html_learn


			
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<!DOCTYPE html>
<html>
<head>
    <meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
    <title>走丢了</title>

    <style>
        html, body {
            height: 100%;
            min-height: 450px;
            font-size: 32px;
            font-weight: 500;
            color: #5d7399;
            margin: 0;
            padding: 0;
            border: 0;
        }

        .content {
            height: 100%;
            position: relative;
            z-index: 1;
            background-color: #d2e1ec;
            background-image: -webkit-linear-gradient(top, #bbcfe1 0%, #e8f2f6 80%);
            background-image: linear-gradient(to bottom, #bbcfe1 0%, #e8f2f6 80%);
            overflow: hidden;
        }

        .snow {
            position: absolute;
            top: 0;
            left: 0;
            pointer-events: none;
            z-index: 20;
        }

        .main-text {
            padding: 20vh 20px 0 20px;
            text-align: center;
            line-height: 2em;
            font-size: 5vh;
        }

        .main-text h1 {
            font-size: 45px;
            line-height: 48px;
            margin: 0;
            padding: 0;
        }

        .main-text-a {
            height: 32px;
            margin-left: auto;
            margin-right: auto;
            text-align: center;
        }

        .main-text-a a {
            font-size: 16px;
            text-decoration: none;
            color: #0066CC;
        }

        .main-text-a a:hover {
            color: #000;
        }

        .home-link {
            font-size: 0.6em;
            font-weight: 400;
            color: inherit;
            text-decoration: none;
            opacity: 0.6;
            border-bottom: 1px dashed rgba(93, 115, 153, 0.5);
        }

        .home-link:hover {
            opacity: 1;
        }

        .ground {
            height: 160px;
            width: 100%;
            position: absolute;
            bottom: 0;
            left: 0;
            background: #f6f9fa;
            box-shadow: 0 0 10px 10px #f6f9fa;
        }

        .ground:before, .ground:after {
            content: '';
            display: block;
            width: 250px;
            height: 250px;
            position: absolute;
            top: -62.5px;
            z-index: -1;
            background: transparent;
            -webkit-transform: scaleX(0.2) rotate(45deg);
            transform: scaleX(0.2) rotate(45deg);
        }

        .ground:after {
            left: 50%;
            margin-left: -166.66667px;
            box-shadow: -340px 260px 15px #8193b2, -620px 580px 15px #8193b2, -900px 900px 15px #b0bccf, -1155px 1245px 15px #b4bed1, -1515px 1485px 15px #8193b2, -1755px 1845px 15px #8a9bb8, -2050px 2150px 15px #91a1bc, -2425px 2375px 15px #bac4d5, -2695px 2705px 15px #a1aec6, -3020px 2980px 15px #8193b2, -3315px 3285px 15px #94a3be, -3555px 3645px 15px #9aa9c2, -3910px 3890px 15px #b0bccf, -4180px 4220px 15px #bac4d5, -4535px 4465px 15px #a7b4c9, -4840px 4760px 15px #94a3be;
        }

        .ground:before {
            right: 50%;
            margin-right: -166.66667px;
            box-shadow: 325px -275px 15px #b4bed1, 620px -580px 15px #adb9cd, 925px -875px 15px #a1aec6, 1220px -1180px 15px #b7c1d3, 1545px -1455px 15px #7e90b0, 1795px -1805px 15px #b0bccf, 2080px -2120px 15px #b7c1d3, 2395px -2405px 15px #8e9eba, 2730px -2670px 15px #b7c1d3, 2995px -3005px 15px #9dabc4, 3285px -3315px 15px #a1aec6, 3620px -3580px 15px #8193b2, 3880px -3920px 15px #aab6cb, 4225px -4175px 15px #9dabc4, 4510px -4490px 15px #8e9eba, 4785px -4815px 15px #a7b4c9;
        }

        .mound {
            margin-top: -80px;
            font-weight: 800;
            font-size: 180px;
            text-align: center;
            color: #dd4040;
            pointer-events: none;
        }

        .mound:before {
            content: '';
            display: block;
            width: 600px;
            height: 200px;
            position: absolute;
            left: 50%;
            margin-left: -300px;
            top: 50px;
            z-index: 1;
            border-radius: 100%;
            background-color: #e8f2f6;
            background-image: -webkit-linear-gradient(top, #dee8f1, #f6f9fa 60px);
            background-image: linear-gradient(to bottom, #dee8f1, #f6f9fa 60px);
        }

        .mound:after {
            content: '';
            display: block;
            width: 28px;
            height: 6px;
            position: absolute;
            left: 50%;
            margin-left: -150px;
            top: 68px;
            z-index: 2;
            background: #dd4040;
            border-radius: 100%;
            -webkit-transform: rotate(-15deg);
            transform: rotate(-15deg);
            box-shadow: -56px 12px 0 1px #dd4040, -126px 6px 0 2px #dd4040, -196px 24px 0 3px #dd4040;
        }

        .mound_text {
            -webkit-transform: rotate(6deg);
            transform: rotate(6deg);
        }

        .mound_spade {
            display: block;
            width: 35px;
            height: 30px;
            position: absolute;
            right: 50%;
            top: 42%;
            margin-right: -250px;
            z-index: 0;
            -webkit-transform: rotate(35deg);
            transform: rotate(35deg);
            background: #dd4040;
        }

        .mound_spade:before, .mound_spade:after {
            content: '';
            display: block;
            position: absolute;
        }

        .mound_spade:before {
            width: 40%;
            height: 30px;
            bottom: 98%;
            left: 50%;
            margin-left: -20%;
            background: #dd4040;
        }

        .mound_spade:after {
            width: 100%;
            height: 30px;
            top: -55px;
            left: 0%;
            box-sizing: border-box;
            border: 10px solid #dd4040;
            border-radius: 4px 4px 20px 20px;
        }
    </style>

</head>

<body translate="no">
<div class="content">
    <canvas class="snow" id="snow" width="1349" height="400"></canvas>
    <div class="main-text">
        <h1>没有任何东西哦~ ~<br><br>您好像去了一个不存在的地方！ (灬ꈍ ꈍ灬)</h1>
        <!-- <div class="main-text-a"><a href="#">< 返回 首页</a></div> -->
    </div>
    <div class="ground">
        <div class="mound">
            <div class="mound_text">null</div>
            <div class="mound_spade"></div>
        </div>
    </div>
</div>


<script>
    (function () {
        function ready(fn) {
            if (document.readyState != 'loading') {
                fn();
            } else {
                document.addEventListener('DOMContentLoaded', fn);
            }
        }

        function makeSnow(el) {
            var ctx = el.getContext('2d');
            var width = 0;
            var height = 0;
            var particles = [];

            var Particle = function () {
                this.x = this.y = this.dx = this.dy = 0;
                this.reset();
            }

            Particle.prototype.reset = function () {
                this.y = Math.random() * height;
                this.x = Math.random() * width;
                this.dx = (Math.random() * 1) - 0.5;
                this.dy = (Math.random() * 0.5) + 0.5;
            }

            function createParticles(count) {
                if (count != particles.length) {
                    particles = [];
                    for (var i = 0; i < count; i++) {
                        particles.push(new Particle());
                    }
                }
            }

            function onResize() {
                width = window.innerWidth;
                height = window.innerHeight;
                el.width = width;
                el.height = height;

                createParticles((width * height) / 10000);
            }

            function updateParticles() {
                ctx.clearRect(0, 0, width, height);
                ctx.fillStyle = '#f6f9fa';

                particles.forEach(function (particle) {
                    particle.y += particle.dy;
                    particle.x += particle.dx;

                    if (particle.y > height) {
                        particle.y = 0;
                    }

                    if (particle.x > width) {
                        particle.reset();
                        particle.y = 0;
                    }

                    ctx.beginPath();
                    ctx.arc(particle.x, particle.y, 5, 0, Math.PI * 2, false);
                    ctx.fill();
                });

                window.requestAnimationFrame(updateParticles);
            }

            onResize();
            updateParticles();
        }

        ready(function () {
            var canvas = document.getElementById('snow');
            makeSnow(canvas);
        });
    })();
</script>

</body>
</html>