css3动画旋转，内圆顺时针旋转，外圆逆时针旋转
1、html

<img src="img/about-img07.png" class="circle01 circle-pst">
<img src="img/about-img06.png" class="circle02 circle-pst">

2、css

.circle01 {animation: rotate1 5s infinite ease-in-out;
}
@keyframes rotate1 {from {transform: rotate(0deg);}to {transform: rotate(360deg);}
}.circle02 {animation: rotate2 5s infinite ease-in-out;
}@keyframes rotate2 {from {transform: rotate(360deg);}to {transform: rotate(0deg);}
}