<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title>CSS3弹簧特效</title>
<style>
* {
margin: 0;
padding: 0
}
html,body{
width: 100%;
height: 100%;
display: flex;
}
body{
perspective: 800px;
}
.wrap{
width: 400px;
height: 400px;
margin: auto;
transform: rotateX(60deg);
position: relative;
transform-style: preserve-3d;
}
.wrap div{
position: absolute;
border: 15px solid #ccd7d9;
border-color: #ccd7d9 #d2dbde #d7e0e2 #d2dbde;
border-radius: 50%;
box-shadow: 0 1px 0 #fff, 0 10px 0 #abbdc1 inset, 0 10px 0 #abbdc1;
transform: translateZ(-50px);
}
.wrap div:nth-child(1){
left: calc( 400px/2 - 340px/2 - 15px );
top: calc( 400px/2 - 340px/2 - 15px );
width: 340px;
height: 340px;
animation: play1 2s 2400ms ease-in-out infinite alternate;
}
.wrap div:nth-child(2){
left: calc( 400px/2 - 280px/2 - 15px );
top: calc( 400px/2 - 280px/2 - 15px );
width: 280px;
height: 280px;
animation: play1 2s 2000ms ease-in-out infinite alternate;
}
.wrap div:nth-child(3){
left: calc( 400px/2 - 220px/2 - 15px );
top: calc( 400px/2 - 220px/2 - 15px );
width: 220px;
height: 220px;
animation: play1 2s 1600ms ease-in-out infinite alternate;
}
.wrap div:nth-child(4){
left: calc( 400px/2 - 160px/2 - 15px );
top: calc( 400px/2 - 160px/2 - 15px );
width: 160px;
height: 160px;
animation: play1 2s 1200ms ease-in-out infinite alternate;
}
.wrap div:nth-child(5){
left: calc( 400px/2 - 100px/2 - 15px );
top: calc( 400px/2 - 100px/2 - 15px );
width: 100px;
height: 100px;
animation: play1 2s 800ms ease-in-out infinite alternate;
}
.wrap div:nth-child(6){
left: calc( 400px/2 - 40px/2 - 15px );
top: calc( 400px/2 - 40px/2 - 15px );
width: 40px;
height: 40px;
animation: play1 2s 400ms ease-in-out infinite alternate;
}
@keyframes play1 {
from{
transform: translateZ(-50px);
}
to{
transform: translateZ(100px);
}
}
</style>
</head>
<body>
<div class="wrap">
<div></div>
<div></div>
<div></div>
<div></div>
<div></div>
<div></div>
</div>
</body>
</html>