mirror of
https://github.com/tarampampam/error-pages.git
synced 2024-08-30 18:22:40 +00:00
183 lines
4.8 KiB
HTML
183 lines
4.8 KiB
HTML
<!DOCTYPE html>
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<!--
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Error 502: Bad Gateway
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Description: The server received an invalid response from the upstream server
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-->
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<html lang="en">
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<head>
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<meta charset="utf-8">
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<meta name="viewport" content="width=device-width, initial-scale=1">
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<meta name="robots" content="noindex, nofollow"/>
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<meta http-equiv="X-UA-Compatible" content="IE=edge">
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<title>502: Bad Gateway</title>
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<style>
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html, body {
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height: 100%;
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overflow: hidden;
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margin: 0;
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padding: 0;
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}
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body {
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font: 20px Hack, Helvetica, sans-serif;
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color: #333;
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}
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canvas {
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z-index: 1;
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position: absolute;
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left: 0;
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top: 0;
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width: 100%;
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height: 100%;
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}
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.frame {
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z-index: 3;
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position: absolute;
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left: 0;
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top: 0;
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width: 100%;
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height: 100%;
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background: radial-gradient(ellipse at center, rgba(0, 0, 0, .1) 0%, rgba(0, 0, 0, .2) 19%, rgba(0, 0, 0, .9) 100%);
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}
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.frame div {
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position: absolute;
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left: 0;
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top: -20%;
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width: 100%;
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height: 20%;
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background-color: rgba(0, 0, 0, .12);
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box-shadow: 0 0 30px rgba(0, 0, 0, .25);
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animation: horizontalLine 12s linear infinite;
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}
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.frame div:nth-child(1) {
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animation-delay: 0ms;
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}
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.frame div:nth-child(2) {
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animation-delay: 4s;
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}
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.frame div:nth-child(3) {
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animation-delay: 8s;
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}
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@keyframes horizontalLine {
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0% {top: -20%}
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100% {top: 100%}
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}
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.container-center {
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height: 100%;
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align-items: center;
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display: flex;
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justify-content: center;
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}
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.container-center div {
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z-index: 2;
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}
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h1, h2 {
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text-align: center;
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color: transparent;
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text-shadow: 0 0 10px rgba(0, 0, 0, .6);
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}
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h1 {
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font: bold 13em Arial, sans-serif;
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animation: codeText 2s linear infinite;
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margin: 0;
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}
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@keyframes codeText {
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0% {text-shadow: 0 0 15px rgba(0, 0, 0, .3)}
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33% {text-shadow: 0 0 5px rgba(0, 0, 0, .2)}
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66% {text-shadow: 0 0 10px rgba(0, 0, 0, .1)}
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100% {text-shadow: 0 0 15px rgba(0, 0, 0, .3)}
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}
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h2 {
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font: bold 2.5em Arial, sans-serif;
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animation: descriptionText 4s linear infinite;
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margin-bottom: 0;
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}
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@keyframes descriptionText {
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0% {text-shadow: 0 0 10px rgba(0, 0, 0, .5)}
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33% {text-shadow: 0 0 5px rgba(0, 0, 0, .1)}
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66% {text-shadow: 0 0 5px rgba(0, 0, 0, .25)}
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100% {text-shadow: 0 0 10px rgba(0, 0, 0, .5)}
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}
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</style>
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</head>
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<body>
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<div class="container-center">
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<div>
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<h1>502</h1>
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<h2 data-l10n>The server received an invalid response from the upstream server</h2>
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</div>
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</div>
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<div class="frame">
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<div></div>
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<div></div>
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<div></div>
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</div>
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<canvas id="canvas"></canvas>
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<script>
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// main idea author: https://codepen.io/moklick
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const $canvas = document.getElementById('canvas'),
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width = Math.max(800, document.body.clientWidth),
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height = Math.max(600, document.body.clientHeight);
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$canvas.width = width;
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$canvas.height = height;
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const ctx = $canvas.getContext('2d');
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ctx.fillStyle = 'white';
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ctx.fillRect(0, 0, width, height);
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ctx.fill();
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const imgData = ctx.getImageData(0, 0, width, height), pix = imgData.data;
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const flickerInterval = window.setInterval(function () {
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for (let i = 0; i < pix.length; i += 4) {
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let color = (Math.random() * 255) + 50;
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pix[i] = color;
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pix[i + 1] = color;
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pix[i + 2] = color;
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}
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ctx.putImageData(imgData, 0, 0);
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}, 45);
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window.addEventListener('beforeunload', function (/** @param BeforeUnloadEvent event */ event) {
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window.clearInterval(flickerInterval);
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});
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if (navigator.language.substring(0, 2).toLowerCase() !== 'en') {
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((s, p) => { // localize the page (details here - https://github.com/tarampampam/error-pages/tree/master/l10n)
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s.src = 'https://cdn.jsdelivr.net/gh/tarampampam/error-pages@2/l10n/l10n.min.js'; // '../l10n/l10n.js';
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s.async = s.defer = true;
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s.addEventListener('load', () => p.removeChild(s));
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p.appendChild(s);
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})(document.createElement('script'), document.body);
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}
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</script>
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</body>
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<!--
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Error 502: Bad Gateway
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Description: The server received an invalid response from the upstream server
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-->
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</html>
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