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peacefullatom/preloader.html

Last active December 4, 2019 15:17
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Pseudo 3D preloader
Raw
preloader.html
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<meta http-equiv="X-UA-Compatible" content="ie=edge">
<title>Document</title>
</head>
<body>
<style>
html,
body,
.container {
width: 100%;
height: 100%;
margin: 0;
padding: 0;
display: flex;
justify-content: center;
align-items: center;
}
.spinner {
--size: 30vmin;
--border-color: #ff3333ff;
--delay: 0.9s;
width: var(--size);
height: var(--size);
animation-name: rotate;
animation-duration: calc(var(--delay) * 3);
animation-timing-function: ease-in-out;
animation-iteration-count: infinite;
border: 4vmin solid transparent;
border-radius: 50%;
border-top-color: var(--border-color);
border-bottom-color: var(--border-color);
box-sizing: border-box;
position: absolute;
z-index: 3;
}
.spinner.two {
--border-color: #ffff33ff;
animation-delay: var(--delay);
z-index: 2;
}
.spinner.three {
--border-color: #33ff33ff;
animation-delay: calc(var(--delay) * 2);
z-index: 1;
}
@keyframes rotate {
0% {
transform: rotate3d(0, 0, 0, 0deg);
z-index: 3;
}
50% {
z-index: 2;
}
100% {
transform: rotate3d(1, 1, 1, 360deg);
z-index: 1;
}
}
</style>
<div class="container">
<div class="spinner"></div>
<div class="spinner two"></div>
<div class="spinner three"></div>
</div>
</body>
</html>
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