index.html
<!DOCTYPE html class="my-2 rounded-full h-10 w-[16rem] px-4">
<html lang="en">
<head>
<!-- Required meta tags -->
<meta charset="utf-8" />
<meta name="viewport" content="width=device-width, initial-scale=1" />
<script src="https://cdnjs.cloudflare.com/ajax/libs/jquery/3.1.1/jquery.min.js"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/sweetalert/1.1.3/sweetalert.min.js"></script>
<link rel="stylesheet" type="text/css" href="https://cdnjs.cloudflare.com/ajax/libs/sweetalert/1.1.3/sweetalert.css" />
<title>ハイスピード</title>
</head>
<style>
.wall {
background: url(https:
background-size: cover;
}
html,
body {
height: 100%;
width: 100%;
overflow: hidden;
}
body {
background: #000;
text-align: center;
}
body:before {
content: "";
display: inline-block;
height: 100%;
vertical-align: middle;
}
.scene {
display: inline-block;
vertical-align: middle;
perspective: 5px;
perspective-origin: 50% 50%;
position: relative;
}
.wrap {
position: absolute;
width: 1000px;
height: 1000px;
left: -500px;
top: -500px;
transform-style: preserve-3d;
animation: move 12s infinite linear;
animation-fill-mode: forwards;
}
.wrap:nth-child(2) {
animation: move 12s infinite linear;
animation-delay: 6s;
}
.wall {
width: 100%;
height: 100%;
position: absolute;
opacity: 0;
animation: fade 12s infinite linear;
animation-delay: 0;
}
.wrap:nth-child(2) .wall {
animation-delay: 6s;
}
.wall-right {
transform: rotateY(90deg) translateZ(500px);
}
.wall-left {
transform: rotateY(-90deg) translateZ(500px);
}
.wall-top {
transform: rotateX(90deg) translateZ(500px);
}
.wall-bottom {
transform: rotateX(-90deg) translateZ(500px);
}
.wall-back {
transform: rotateX(180deg) translateZ(500px);
}
@keyframes move {
0% {
transform: translateZ(-500px) rotate(0deg);
}
100% {
transform: translateZ(500px) rotate(0deg);
}
}
@keyframes fade {
0% {
opacity: 0;
}
25% {
opacity: 1;
}
75% {
opacity: 1;
}
100% {
opacity: 0;
}
}
</style>
<body>
<div class="scene">
<div class="wrap">
<div class="wall wall-right"></div>
<div class="wall wall-left"></div>
<div class="wall wall-top"></div>
<div class="wall wall-bottom"></div>
<div class="wall wall-back"></div>
</div>
<div class="wrap">
<div class="wall wall-right"></div>
<div class="wall wall-left"></div>
<div class="wall wall-top"></div>
<div class="wall wall-bottom"></div>
<div class="wall wall-back"></div>
</div>
</div>
</body>
</html>