分享一款宇航员自适应404页面源码，左上角带导航栏，可以自定义文字和跳转链接，点击可以返回首页，利于SEO网站优化。
源码展示
下载地址
https://dmfhy.lanzout.com/i3d5S14artah
源代码
<!DOCTYPE html>
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
<title>宇航员404丢失 - www.xiaolanzy.com</title>
<meta name="viewport" content="width=device-width, initial-scale=1">
<link rel="stylesheet" href="./assets/css/bootstrap.min.css">
<link rel="stylesheet" href="./assets/css/style.css">
</head>
<body>
<!-- 菜单 -->
<div class="hamburger-menu">
<button class="burger" data-state="closed">
<span></span>
<span></span>
<span></span>
</button>
</div>
<nav data-state="closed">
<ul>
<li><a href="https://www.xiaolanzy.com">首页</a></li>
<li><a href="https://www.xiaolanzy.com">在线服务</a></li>
<li><a href="https://www.xiaolanzy.com">关于我们</a></li>
<li><a href="https://www.xiaolanzy.com">联系我们</a></li>
</ul>
</nav>
<!-- 可以隐藏 -->
<main>
<div class="container">
<div class="row">
<div class="col-md-6 align-self-center">
<svg version="1.1" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" viewBox="0 0 800 600" style="visibility: visible;">
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<defs>
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<div class="col-md-6 align-self-center">
<h1>404</h1>
<h2>UH OH! 页面丢失</h2>
<p>您所寻找的页面不存在。你可以点击下面的按钮，返回主页。
</p>
<a href="/">
<button class="btn green">返回首页</button>
</a>
</div>
</div>
</div>
</main>
<script src="./assets/js/gsap.min.js"></script>
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</html>原创文章，作者：李康哲，如若转载，请注明出处：https://www.xiaolanzy.com/24.html
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