<div class="trans">

 

</div>

 

css

.trans{

display: inline-block;

width:100rpx;

height:100rpx;

border:1px solid red;

border-radius: 50%;

overflow: hidden;

animation: rotate 3s linear infinite;   linear// 意思就是匀速的运动   infinite// 就是无限滚动的意思

}

@keyframes rotate{from{transform: rotate(0deg)}

to{transform: rotate(360deg)}

}