CSS3D效果

<div class="will_rotate">
        <ul class="rotate_parent">
            <li class="tip_front"></li>
            <li class="tip_back"></li>
            <li class="tip_right"></li>
            <li class="tip_left"></li>
            <li class="tip_top"></li>
            <li class="tip_bottom"></li>
            <li class="tip_floor"></li>
        </ul>
   </div>

.will_rotate{
    width: 150px;
    height: 150px;
    margin: 0 auto;
    position: relative;
}
.rotate_parent, .rotate_parent li {
    position: absolute;
    display: block;
}
.rotate_parent{
    width: 100%;
    height: 100%;
    padding: 0;
    /*margin: -50px 0;*/
    -webkit-transform-origin: 50px 50px;
    transform-origin: 50px 50px;
    -webkit-transform: rotateX(-33.5deg) rotateY(45deg);
    transform: rotateX(-33.5deg) rotateY(45deg);
    -webkit-transform-style: preserve-3d;
     transform-style: preserve-3d; 
     -webkit-animation: willRotate 3s ease-in-out infinite 2s; 
     animation: willRotate 3s ease-in-out infinite alternate; 
     /*animation: name duration timing-function delay iteration-count direction;*/
        /*name    规定需要绑定到选择器的 keyframe 名称。。*/
           /*duration    规定完成动画所花费的时间，以秒或毫秒计。*/
          /*timing-function    规定动画的速度曲线。*/
         /*delay    规定在动画开始之前的延迟。*/
        /*iteration-count    规定动画应该播放的次数。*/
        /*direction    规定是否应该轮流反向播放动画。*/
    top: 20%;
    /*left: 50%;*/
}

.rotate_parent .tip_back, .rotate_parent .tip_front, .rotate_parent .tip_left, .rotate_parent .tip_right, .rotate_parent .tip_top {
    background: radial-gradient(transparent 30%,rgba(126,17,91,.2) 100%);
}
.rotate_parent li {
    width: 100px;
    height: 100px;
     transition: -webkit-transform 1s ease-in-out; 
     transition: transform 1s ease-in-out; 
}
.rotate_parent .tip_front {
    -webkit-transform: translateZ(50px);
     transform: translateZ(50px); 
}
.rotate_parent .tip_back {
    -webkit-transform:translateZ(-50px);
    transform:translateZ(-50px);
}
.rotate_parent .tip_right {
    -webkit-transform: rotateY(90deg) translateZ(50px);
    transform: rotateY(90deg) translateZ(50px);
}
.rotate_parent .tip_left {
    -webkit-transform: rotateY(90deg) translateZ(-50px);
    transform: rotateY(90deg) translateZ(-50px);
}
.rotate_parent .tip_top {
    -webkit-transform: rotateX(90deg) translateZ(50px);
    transform: rotateX(90deg) translateZ(50px);
}
.rotate_parent .tip_bottom{
    -webkit-transform: rotateX(90deg) translateZ(-50px);
    transform: rotateX(90deg) translateZ(-50px);
}
.rotate_parent .tip_floor {
    box-shadow: -300px 0 50px rgba(0,0,0,.3);
    -webkit-backface-visibility: visible;
    backface-visibility: visible;
    width: 110px;
    height: 110px;
    left: 295px;
    background-color: transparent;
    -webkit-transform: rotateX(90deg) translateZ(-60px);
    transform: rotateX(90deg) translateZ(-60px);
}
@-webkit-keyframes willRotate{
    0%{
        transform:rotateX(-33.5deg) rotateY(45deg);
    }
    100%{
        transform:rotateX(-33.5deg) rotateY(360deg);
    }
}
@keyframes willRotate{
    0%{
        transform:rotateX(-33.5deg) rotateY(45deg);
    }
    100%{
        transform:rotateX(-33.5deg) rotateY(360deg);
    }
}