<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>Title</title>
</head>
<style>
body {
font-family: Arial,"Helvetica Neue",Helvetica,sans-serif;
overflow: hidden;
background: #fff;
}
.center {
margin: 80px auto;
}
.so {
display: block;
width: 500px;
height: 156px;
background: #ffffff;
}
.so .inner {
width: 500px;
height: 156px;
position: absolute;
}
.so .inner * {
position: absolute;
animation-iteration-count: infinite;
animation-duration: 3.5s;
}
.so .inner .name {
position: absolute;
font-size: 54px;
left: 130px;
top: 95px;
}
.so .inner .name .b {
font-weight: bold;
}
.so .inner .stack-box {
top: 100px;
width: 115px;
height: 56px;
}
.so .inner .box {
width: 115px;
height: 56px;
left: 0px;
}
.so .inner .box div {
background: #BCBBBB;
}
.so .inner .box .bottom {
bottom: 0px;
left: 0px;
width: 115px;
height: 12px;
}
.so .inner .box .left {
bottom: 11px;
left: 0px;
width: 12px;
height: 34px;
}
.so .inner .box .right {
bottom: 11px;
left: 103px;
width: 12px;
height: 34px;
}
.so .inner .box .top {
top: 0px;
left: 0px;
width: 0;
height: 12px;
}
.so .inner .stack {
left: 22px;
top: 22px;
}
.so .inner .stack .inner-item {
background: #F48024;
width: 71px;
height: 12px;
}
.so .inner .stack .item {
transition: transform 0.3s;
width: 291px;
}
.so .inner .stack div:nth-child(1) {
transform: rotate(0deg);
}
.so .inner .stack div:nth-child(2) {
transform: rotate(12deg);
}
.so .inner .stack div:nth-child(3) {
transform: rotate(24deg);
}
.so .inner .stack div:nth-child(4) {
transform: rotate(36deg);
}
.so .inner .stack div:nth-child(5) {
transform: rotate(48deg);
}
.so .inner .box {
animation-name: box;
}
.so .inner .box .top {
animation-name: box-top;
}
.so .inner .box .left {
animation-name: box-left;
}
.so .inner .box .right {
animation-name: box-right;
}
.so .inner .box .bottom {
animation-name: box-bottom;
}
.so .inner .stack-box {
animation-name: stack-box;
}
.so .inner .stack {
animation-name: stack;
}
.so .inner .stack .inner-item {
animation-name: stack-items;
}
.so .inner .stack .item:nth-child(1) {
animation-name: stack-item-1;
}
.so .inner .stack .item:nth-child(2) {
animation-name: stack-item-2;
}
.so .inner .stack .item:nth-child(3) {
animation-name: stack-item-3;
}
.so .inner .stack .item:nth-child(4) {
animation-name: stack-item-4;
}
.so .inner .stack .item:nth-child(5) {
animation-name: stack-item-5;
}
@keyframes stack {
0% {
left: 22px;
}
15% {
left: 22px;
}
30% {
left: 52px;
}
50% {
left: 52px;
}
80% {
left: 22px;
}
}
@keyframes stack-item-1 {
0% {
transform: rotate(12deg * 0);
}
10% {
transform: rotate(0deg);
}
50% {
transform: rotate(0deg);
}
54% {
transform: rotate(0deg);
}
92% {
transform: rotate(12deg * 0);
}
}
@keyframes stack-item-2 {
0% {
transform: rotate(12deg * 1);
}
10% {
transform: rotate(0deg);
}
50% {
transform: rotate(0deg);
}
54% {
transform: rotate(0deg);
}
92% {
transform: rotate(12deg * 1);
}
}
@keyframes stack-item-3 {
0% {
transform: rotate(12deg * 2);
}
10% {
transform: rotate(0deg);
}
50% {
transform: rotate(0deg);
}
54% {
transform: rotate(0deg);
}
92% {
transform: rotate(12deg * 2);
}
}
@keyframes stack-item-4 {
0% {
transform: rotate(12deg * 3);
}
10% {
transform: rotate(0deg);
}
50% {
transform: rotate(0deg);
}
54% {
transform: rotate(0deg);
}
92% {
transform: rotate(12deg * 3);
}
}
@keyframes stack-item-5 {
0% {
transform: rotate(12deg * 4);
}
10% {
transform: rotate(0deg);
}
50% {
transform: rotate(0deg);
}
54% {
transform: rotate(0deg);
}
92% {
transform: rotate(12deg * 4);
}
}
@keyframes stack-items {
0% {
width: 71px;
}
15% {
width: 71px;
}
30% {
width: 12px;
}
50% {
width: 12px;
}
80% {
width: 71px;
}
}
@keyframes box {
0% {
left: 0;
}
15% {
left: 0;
}
30% {
left: 30px;
}
50% {
left: 30px;
}
80% {
left: 0;
}
}
@keyframes box-top {
0% {
width: 0;
}
6% {
width: 0;
}
15% {
width: 115px;
}
30% {
width: 56px;
}
50% {
width: 56px;
}
59% {
width: 0;
}
}
@keyframes box-bottom {
0% {
width: 115px;
}
15% {
width: 115px;
}
30% {
width: 56px;
}
50% {
width: 56px;
}
80% {
width: 115px;
}
}
@keyframes box-right {
15% {
left: 103px;
}
30% {
left: 44px;
}
50% {
left: 44px;
}
80% {
left: 103px;
}
}
@keyframes stack-box {
0% {
transform: rotate(0deg);
}
30% {
transform: rotate(0deg);
}
40% {
transform: rotate(135deg);
}
50% {
transform: rotate(135deg);
}
83% {
transform: rotate(360deg);
}
100% {
transform: rotate(360deg);
}
}
</style>
<body>
<div class="so center">
<div class="inner">
<div class="stack-box">
<div class="stack">
<div class="item">
<div class="inner-item"></div>
</div>
<div class="item">
<div class="inner-item"></div>
</div>
<div class="item">
<div class="inner-item"></div>
</div>
<div class="item">
<div class="inner-item"></div>
</div>
<div class="item">
<div class="inner-item"></div>
</div>
</div>
<div class="box">
<div class="bottom"></div>
<div class="left"></div>
<div class="right"></div>
<div class="top"></div>
</div>
</div>
<div class="name">
stack<span class="b">overflow</span>
</div>
</div>
</div>
</body>
</html>