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<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Burn-In Removal</title>
<style>
@keyframes cfadeout {
0% {
opacity: 1;
}
100% {
opacity: 0;
}
}
@keyframes animhor {
0% {
left: 100%;
top: 0%;
width: 51%;
height: 100%;
}
100% {
left: -50%;
top: 0%;
width: 51%;
height: 100%;
}
}
@keyframes animvert {
0% {
left: 0%;
top: 100%;
width: 100%;
height: 21%;
opacity: 1;
}
50% {
opacity: 0.7;
}
100% {
left: 0%;
top: -50%;
width: 100%;
height: 51%;
opacity: 1;
}
}
@keyframes ctr {
/* fun interesting effects can be done here */
/* 0% {
transform: translate(-50%, -50%) rotate(0deg);
}
100% {
transform: translate(-50%, -50%) rotate(360deg);
} */
0% {
transform: translate(-50%, -50%) scale(1);
}
30% {
transform: translate(-50%, -50%) scale(1.4);
}
50% {
transform: translate(-50%, -50%) scale(0.7);
}
80% {
transform: translate(-50%, -50%) scale(1.1);
}
100% {
transform: translate(-50%, -50%) scale(1);
}
}
.ctr {
position: fixed;
top: 50vh;
left: 50vw;
width: 100vw;
height: 100vh;
display: flex;
align-items: center;
justify-content: center;
pointer-events: none;
transform: translate(-50%, -50%);
}
.ctr:not(.no-anim) {
animation: ctr;
animation-timing-function: ease-in-out;
animation-duration: 7s;
animation-iteration-count: infinite;
animation-delay: 3s;
}
.inner {
position: relative;
width: 200vw;
height: 200vh;
}
.hor {
animation: animhor;
--animation-length: 12s;
}
.vert {
animation: animvert;
--animation-length: 7s;
}
.r,
.g,
.b {
position: absolute;
animation-timing-function: linear;
animation-duration: var(--animation-length);
animation-iteration-count: infinite;
pointer-events: none;
}
.g {
/* change to -0.66 if you don't want the initial buildup */
animation-delay: calc(0.33 * var(--animation-length));
}
.b {
/* change to -0.33 if you don't want the initial buildup */
animation-delay: calc(0.66 * var(--animation-length));
}
/* this is to ensure the background looks fine until the animation has done its rounds */
@keyframes htmlrootbg {
0% {
background: #1a1a1a;
}
50% {
background: #1a1a1a;
}
100% {
background: #800;
}
}
html {
animation: htmlrootbg;
animation-duration: 3s;
animation-timing-function: ease-in-out;
animation-iteration-count: 1;
background: #a00;
color: #dedede;
display: flex;
font-family: Nunito, system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Open Sans', 'Helvetica Neue', sans-serif;
}
.cft {
display: none;
}
input:checked+.cfadeout {
animation: cfadeout;
animation-timing-function: linear;
animation-duration: 1s;
animation-iteration-count: 1;
opacity: 0;
pointer-events: none;
}
.fullscreenprompt {
position: fixed;
top: 50vh;
left: 50vw;
padding: 24px;
background: #0a0a0a;
transform: translate(-50%, -50%);
max-width: min(calc(100vw - 2rem), max-content);
text-align: center;
border-radius: 1rem;
z-index: 9;
}
</style>
<!-- In JS-enabled environments, attempt to ensure frames always render -->
<script>
((fn) => fn(fn))((self) => requestAnimationFrame(() => self))
</script>
</head>
<body
onclick="(document.documentElement??document.rootElement).requestFullscreen?.({navigationUI:'hide'}).then(v=>{const c=document.head.querySelector('style');const c2=document.createElement('style');c2.innerHTML=c.innerHTML;c.remove();setTimeout(()=>document.head.appendChild(c2),10)}) ?? console.error('No requestFullscreen promise')">
<input type="checkbox" id="cfadeoutt" class="cft" autocomplete="off">
<label class="cfadeout fullscreenprompt" for="cfadeoutt">
Please <b>fullscreen this page</b> for best results.<br />
If JS is available, this can be done by clicking the screen - otherwise, press F11 and reload.<br />
Click this to dismiss
</label>
<div class="ctr no-anim">
<div class="inner">
<div class="r hor" style="background-color: #f33;"></div>
<div class="g hor" style="background-color: #3f3;"></div>
<div class="b hor" style="background-color: #33f;"></div>
</div>
</div>
<div class="ctr">
<div class="inner">
<div class="r vert" style="background-color: #c00;"></div>
<div class="g vert" style="background-color: #0c0;"></div>
<div class="b vert" style="background-color: #00c;"></div>
</div>
</div>
</body>
</html>
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