<html>
<head>
<meta http-equiv="content-type" content="text/html; charset=utf-8">
<meta name="viewport" content="width=device-width,initial-scale=1,maximum-scale=1,user-scalable=no">
<title>动态背景</title>
<style>
*{
/* 初始化 */
margin: 0;
padding: 0;
}
body{
/* 100%窗口高度 */
height: 100vh;
/* 弹性布局 居中 */
display: flex;
justify-content: center;
align-items: center;
/* 渐变背景 */
background: linear-gradient(200deg,#e3c5eb,#a9c1ed);
/* 溢出隐藏 */
overflow: hidden;
}
.container{
/* 相对定位 */
position: relative;
z-index: 1;
background-color: #fff;
border-radius: 15px;
/* 弹性布局 垂直排列 */
display: flex;
flex-direction: column;
align-items: center;
width: 350px;
height: 500px;
/* 阴影 */
box-shadow: 0 5px 20px rgba(0,0,0,0.1);
}
.container .tit{
font-size: 26px;
margin: 65px auto 70px auto;
}
.container input{
width: 280px;
height: 30px;
text-indent: 8px;
border: none;
border-bottom: 1px solid #ddd;
outline: none;
margin: 12px auto;
}
.container button{
width: 280px;
height: 40px;
margin: 35px auto 40px auto;
border: none;
background: linear-gradient(-200deg,#fac0e7,#aac2ee);
color: #fff;
font-weight: bold;
letter-spacing: 8px;
border-radius: 10px;
cursor: pointer;
/* 动画过渡 */
transition: 0.5s;
}
.container button:hover{
background: linear-gradient(-200deg,#aac2ee,#fac0e7);
background-position-x: -280px;
}
.container span{
font-size: 14px;
}
.container a{
color: plum;
text-decoration: none;
}
ul li{
position: absolute;
border: 1px solid #fff;
background-color: #fff;
width: 30px;
height: 30px;
list-style: none;
opacity: 0;
}
.square li{
top: 40vh;
left: 60vw;
/* 执行动画：动画名 时长 线性的 无限次播放 */
animation: square 10s linear infinite;
}
.square li:nth-child(2){
top: 80vh;
left: 10vw;
/* 设置动画延迟时间 */
animation-delay: 2s;
}
.square li:nth-child(3){
top: 80vh;
left: 85vw;
/* 设置动画延迟时间 */
animation-delay: 4s;
}
.square li:nth-child(4){
top: 10vh;
left: 70vw;
/* 设置动画延迟时间 */
animation-delay: 6s;
}
.square li:nth-child(5){
top: 10vh;
left: 10vw;
/* 设置动画延迟时间 */
animation-delay: 8s;
}
.circle li{
bottom: 0;
left: 15vw;
/* 执行动画 */
animation: circle 10s linear infinite;
}
.circle li:nth-child(2){
left: 35vw;
/* 设置动画延迟时间 */
animation-delay: 2s;
}
.circle li:nth-child(3){
left: 55vw;
/* 设置动画延迟时间 */
animation-delay: 6s;
}
.circle li:nth-child(4){
left: 75vw;
/* 设置动画延迟时间 */
animation-delay: 4s;
}
.circle li:nth-child(5){
left: 90vw;
/* 设置动画延迟时间 */
animation-delay: 8s;
}
/* 定义动画 */
@keyframes square {
0%{
transform: scale(0) rotateY(0deg);
opacity: 1;
}
100%{
transform: scale(5) rotateY(1000deg);
opacity: 0;
}
}
@keyframes circle {
0%{
transform: scale(0) rotateY(0deg);
opacity: 1;
bottom: 0;
border-radius: 0;
}
100%{
transform: scale(5) rotateY(1000deg);
opacity: 0;
bottom: 90vh;
border-radius: 50%;
}
}
</style>
<style type="text/css">
@font-face { font-family: TencentSans; src: url("chrome-extension://lkjkfecdnfjopaeaibboihfkmhdjmanm/static/fonts/TencentSans.woff2"); }
</style>
</head>
<body>
<div class="square">
<ul>
<li></li>
<li></li>
<li></li>
<li></li>
<li></li>
</ul>
</div>
<div class="circle">
<ul>
<li></li>
<li></li>
<li></li>
<li></li>
<li></li>
</ul>
</div>
</body>
<div id="transmart-crx-shadow-root" style="all: initial;"></div>
</html>
