Canvas 噪音效果的404页面

HTML5/Canvas Noisy 404 Page

canvas，404，噪音

《three.js如何实现贴图模糊效果 - 使用canvas》申请公开！

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JavaScript

编译

CSS

@import url(http://fonts.googleapis.com/css?family=Oswald:400, 700);
html,
body {
    height: 100%;
    width: 100%;
    margin: 0;
    padding: 0;
    background: #242424;
    font-family: 'Oswald', sans-serif;
    background: -webkit-canvas(noise);
    background: -moz-element(#canvas);
    overflow: hidden;
}
html::after {
    content: '';
    background: radial-gradient(circle, rgba(0, 0, 0, 0), #000);
    position: absolute;
    top: 0;
    left: 0;
    bottom: 0;
    right: 0;
}
.center {
    height: 400px;
    width: 500px;
    position: absolute;
    top: calc(50% - 200px);
    left: calc(50% - 250px);
    text-align: center;
}
h1,
p {
    margin: 0;
    padding: 0;
    -webkit-animation: funnytext 4s ease-in-out infinite;
    animation: funnytext 4s ease-in-out infinite;
}
h1 {
    font-size: 16rem;
    color: rgba(0, 0, 0, 0.3);
    -webkit-filter: blur(3px);
    filter: blur(3px);
}
p {
    font-size: 2rem;
    color: rgba(0, 0, 0, 0.6);
}
body::after,
body::before {
    content: ' ';
    display: block;
    position: absolute;
    left: 0;
    right: 0;
    top: -4px;
    height: 4px;
    -webkit-animation: scanline 8s linear infinite;
    animation: scanline 8s linear infinite;
    opacity: 0.33;
    background: linear-gradient(to bottom, rgba(0, 0, 0, 0), rgba(0, 0, 0, 0.5) 90%, rgba(0, 0, 0, 0)), -webkit-canvas(noise);
    background: linear-gradient(to bottom, rgba(0, 0, 0, 0), rgba(0, 0, 0, 0.5) 90%, rgba(0, 0, 0, 0)), -moz-element(#canvas);
}
body::before {
    -webkit-animation-delay: 4s;
    animation-delay: 4s;
}
@-webkit-keyframes scanline {
    0% {
        top: -5px;
    }
    100% {
        top: 100%;
    }
}
@keyframes scanline {
    0% {
        top: -5px;
    }
    100% {
        top: 100%;
    }
}
@-webkit-keyframes funnytext {
    0% {
        color: rgba(0, 0, 0, 0.3);
        -webkit-filter: blur(3px);
    }
    30% {
        color: rgba(0, 0, 0, 0.5);
        -webkit-filter: blur(1px);
    }
    65% {
        color: rgba(0, 0, 0, 0.2);
        -webkit-filter: blur(5px);
    }
    100% {
        color: rgba(0, 0, 0, 0.3);
        -webkit-filter: blur(3px);
    }
}
@keyframes funnytext {
    0% {
        color: rgba(0, 0, 0, 0.3);
        filter: blur(3px);
    }
    30% {
        color: rgba(0, 0, 0, 0.5);
        filter: blur(1px);
    }
    65% {
        color: rgba(0, 0, 0, 0.2);
        filter: blur(5px);
    }
    100% {
        color: rgba(0, 0, 0, 0.3);
        filter: blur(3px);
    }
}

HTML

HTML5/Canvas Noisy 404 Page

canvas，404，噪音

编辑器支持Emmet

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HTML5/Canvas Noisy 404 Page

canvas，404，噪音

编辑器支持Emmet

快捷键

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