效果图
2022-07-31T07:20:01.png
点击右侧网站进入效果页 https://kafeim.ltd/404.html

将下面代码复制到服务器的404页面即可，要先删除原有的代码

<!doctype html>
<html>
<head>
<meta charset="utf-8">
<title>-404-</title>


<style>
@import url("https://fonts.googleapis.com/css?family=Share+Tech+Mono|Montserrat:700");

* {
    margin: 0;
    padding: 0;
    border: 0;
    font-size: 100%;
    font: inherit;
    vertical-align: baseline;
    box-sizing: border-box;
    color: inherit;
}

body {
    background-image: linear-gradient(120deg, #4f0088 0%, #000000 100%);
    height: 100vh;
}

h1 {
    font-size: 45vw;
    text-align: center;
    position: fixed;
    width: 100vw;
    z-index: 1;
    color: #ffffff26;
    text-shadow: 0 0 50px rgba(0, 0, 0, 0.07);
    top: 50%;
    -webkit-transform: translateY(-50%);
            transform: translateY(-50%);
    font-family: "Montserrat", monospace;
}

div {
    background: rgba(0, 0, 0, 0);
    width: 70vw;
    position: relative;
    top: 50%;
    -webkit-transform: translateY(-50%);
            transform: translateY(-50%);
    margin: 0 auto;
    padding: 30px 30px 10px;
    box-shadow: 0 0 150px -20px rgba(0, 0, 0, 0.5);
    z-index: 3;
}

P {
    font-family: "Share Tech Mono", monospace;
    color: #f5f5f5;
    margin: 0 0 20px;
    font-size: 17px;
    line-height: 1.2;
}

span {
    color: #f0c674;
}

i {
    color: #8abeb7;
}

div a {
    text-decoration: none;
}

b {
    color: #81a2be;
}

a.avatar {
    position: fixed;
    bottom: 15px;
    right: -100px;
    -webkit-animation: slide 0.5s 4.5s forwards;
            animation: slide 0.5s 4.5s forwards;
    display: block;
    z-index: 4
}

a.avatar img {
    border-radius: 100%;
    width: 44px;
    border: 2px solid white;
}

@-webkit-keyframes slide {
    from {
        right: -100px;
        -webkit-transform: rotate(360deg);
                transform: rotate(360deg);
        opacity: 0;
    }
    to {
        right: 15px;
        -webkit-transform: rotate(0deg);
                transform: rotate(0deg);
        opacity: 1;
    }
}

@keyframes slide {
    from {
        right: -100px;
        -webkit-transform: rotate(360deg);
                transform: rotate(360deg);
        opacity: 0;
    }
    to {
        right: 15px;
        -webkit-transform: rotate(0deg);
                transform: rotate(0deg);
        opacity: 1;
    }
}
</style>
</head>
<body leftmargin=0 topmargin=0 oncontextmenu='return false' ondragstart='return false' onselectstart ='return false' onselect='document.selection.empty()' oncopy='document.selection.empty()' onbeforecopy='return false' onmouseup='document.selection.empty()'>


<h1>404</h1>
<div><p>> <错误代码</span>: "<i> 404！ 很抱歉，页面不小心迷路了~ </i>"</p>
<p>> <span>运行时错误描述</span>: "<i>拒绝访问，您没有权限在此服务器上访问此页面</i>"</p>
<p>> <span>可能引起的错误</span>: 

[<b>执行访问被禁止，读访问被禁止，写访问被禁止，SSL被要求，IP地址被拒绝，客户端证书被要求，站点访问被拒绝，用户太多，无效配置，密码修改，映射器被拒绝访问，
客户端证书被撤销，目录列表被拒绝，客户端访问许可证被超过，客户端证书不可信或无效，客户端证书过期或尚未有效，
护照登录失败，源访问被拒绝，无限深度被拒绝，来自同一客户端ip的请求太多…]</p>

<p>> <span>在这个服务器上你有权限访问</span>: [<a href="https://kafeim.ltd">Blog</a>, <a href="https://kafeim.ltd/index.php/start-page.html">联系我们</a>, <a href="http:www.baidu.com">百度一下</a>]</p>
</div>


<script>
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var i = 0;
document.getElementsByTagName('div')[0].innerHTML = "";

setTimeout(function() {
    var se = setInterval(function() {
        i++;
        document.getElementsByTagName('div')[0].innerHTML = str.slice(0, i) + "|";
        if (i == str.length) {
            clearInterval(se);
            document.getElementsByTagName('div')[0].innerHTML = str;
        }
    }, 10);
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</body>
</html>