css动画综合应用案例–太阳系
效果图
html
<body>
<ul>
<!-- 太阳-->
<li></li>
<!-- 行星-->
<li><span></span></li>
<li><span></span></li>
<li><span><span></span></span></li>
<li><span></span></li>
<li><span></span></li>
<li><span></span></li>
<li><span></span></li>
<li><span></span></li>
</ul>
</body>
<style>
body{
box-sizing: border-box;
background-color: #333333;
}
ul{
width: 600px;
height: 600px;
margin:100px auto;
position: relative;
}
/*子代选择*/
ul > li{
list-style: none;
position: absolute;
left:50%;
top:50%;
/*移动位置*/
transform: translate(-50%,-50%);
border-radius: 50%;
box-sizing: border-box;
/*添加动画*/
animation: starAnimation linear infinite;
}
ul > li >span{
width: 12px;
height: 12px;
border-radius: 6px;
background-color: #fff741;
position: absolute;
left: 50%;
top: 0;
/*margin-left: -6px;
margin-top: -6px;*/
animation: starAnimation 2s linear infinite;
}
ul > li >span > span{
width: 6px;
height: 6px;
border-radius: 3px;
background-color: blue;
position: absolute;
left: 3px;
top: -10px;
}
ul > li{
border: 2px solid #199999;
}
ul > li:nth-child(1){
width: 60px;
height: 60px;
background-color: #fff741;
box-shadow: 0px 0px 50px #fff741;
border: 2px solid #fff741;
}
ul > li:nth-child(2){
width: 120px;
height: 120px;
animation-duration: 2s;
}
ul > li:nth-child(3){
width: 180px;
height: 180px;
animation-duration: 4s;
}
ul > li:nth-child(4){
width: 240px;
height: 240px;
animation-duration: 7s;
/*添加背景*/
/*background: url("../images/asteroids_meteorids.png") no-repeat;*/
background-size: 240px 240px;
}
ul > li:nth-child(5){
width: 300px;
height: 300px;
animation-duration: 13s;
}
ul > li:nth-child(6){
width: 360px;
height: 360px;
animation-duration: 18s;
}
ul > li:nth-child(7){
width: 420px;
height: 420px;
animation-duration: 28s;
}
ul > li:nth-child(8){
width: 480px;
height: 480px;
animation-duration: 43s;
}
ul > li:nth-child(9){
width: 540px;
height: 540px;
animation-duration: 66s;
}
@keyframes starAnimation {
from{
transform: translate(-50%,-50%) rotate(0deg);
}
to{
transform:translate(-50%,-50%) rotate(360deg);
}
}
</style>