embed做网站公共部分网站优化seo是什么
源码介绍
css3 svg制作404页面动画效果HTML源码，源码由HTML+CSS+JS组成，记事本打开源码文件可以进行内容文字之类的修改，双击html文件可以本地运行效果
效果预览
源码如下
<!doctype html>
<html>
<head>
<meta charset="utf-8">
<title>svg 404页面</title><style>
body, html{margin: 0 auto;padding: 0;font-weight: 800;
}body{background: #000;font-family: cursive;
}svg {display: block;font: 10.5em 'Monoton';width: 960px;height: 300px;margin: 0 auto;
}.content{text-align: center;
}h1{text-align: center;font: 2em 'Roboto', sans-serif;font-weight: 900;color: #2f8f7f;opacity: .6;
}a{display: inline-block;text-transform: uppercase;font: 1em 'Roboto';font-weight: 300;border: 1px solid #2f8f7f;border-radius: 4px;color: #2f8f7f;margin-top: 10%;padding: 8px 14px;text-decoration: none;opacity: .6;
}.text {fill: none;stroke: white;stroke-dasharray: 8% 29%;stroke-width: 5px;stroke-dashoffset: 1%;animation: stroke-offset 5.5s infinite linear;
}.text:nth-child(1){stroke: #1c234d;animation-delay: -1;
}.text:nth-child(2){stroke: #315b2c;animation-delay: -2s;
}.text:nth-child(3){stroke: #2f8f7f;animation-delay: -3s;
}.text:nth-child(4){stroke: #2f8f7f;animation-delay: -4s;
}.text:nth-child(5){stroke: #da2717;animation-delay: -5s;
}@keyframes stroke-offset{100% {stroke-dashoffset: -35%;}
}
</style>
</head>
<body><link href="https://fonts.googleapis.com/css?family=Monoton" rel="stylesheet">
<link href="https://fonts.googleapis.com/css?family=Roboto" rel="stylesheet"><svg viewBox="0 0 960 300"><symbol id="s-text"><text text-anchor="middle" x="50%" y="80%">404</text></symbol><g class = "g-ants"><use xlink:href="#s-text" class="text"></use><use xlink:href="#s-text" class="text"></use><use xlink:href="#s-text" class="text"></use><use xlink:href="#s-text" class="text"></use><use xlink:href="#s-text" class="text"></use></g>
</svg>
<div class="content"><h1>页面未找到</h1><a href="https://www.qqmu.com">返回首页</a>
</div></body>
</html>