方块旋转

div:
 <div class="xz">
      <!-- 外层最大容器 -->
      <div class="wrap">
        <!--包裹所有元素的容器-->
        <div class="cube">
          <!--前面图片 -->
          <div class="out_front">
            <img src="../assets/image/img1.jpg" class="pic" />
          </div>
          <!--后面图片 -->
          <div class="out_back">
            <img src="../assets/image/img1.jpg" class="pic" />
          </div>
          <!--左面图片 -->
          <div class="out_left">
            <img src="../assets/image/img1.jpg" class="pic" />
          </div>
          <!--右面图片 -->
          <div class="out_right">
            <img src="../assets/image/img1.jpg" class="pic" />
          </div>
          <!--上面图片 -->
          <div class="out_top">
            <img src="../assets/image/img1.jpg" class="pic" />
          </div>
          <!--下面图片 -->
          <div class="out_bottom">
            <img src="../assets/image/img1.jpg" class="pic" />
          </div>

          <!--小正方体 -->
          <span class="in_front">
            <img src="../assets/image/img1.jpg" class="in_pic" />
          </span>
          <span class="in_back">
            <img src="../assets/image/img1.jpg" class="in_pic" />
          </span>
          <span class="in_left">
            <img src="../assets/image/img1.jpg" class="in_pic" />
          </span>
          <span class="in_right">
            <img src="../assets/image/img1.jpg" class="in_pic" />
          </span>
          <span class="in_top">
            <img src="../assets/image/img1.jpg" class="in_pic" />
          </span>
          <span class="in_bottom">
            <img src="../assets/image/img1.jpg" class="in_pic" />
          </span>
        </div>
      </div>
    </div>

css:
.xz {
  position: absolute;
  top: 0px;
  left: 0px;
  width: 100px;
  height: 100px;
}
.wrap {
  width: 100px;
  height: 100px;
  margin: 150px 0 0 150px;
  /*position: relative;*/
  position: absolute;
}
/*包裹所有容器样式*/
.cube {
  width: 50px;
  height: 50px;
  margin: 0 auto;
  transform-style: preserve-3d;
  transform: rotateX(-30deg) rotateY(-80deg);
  animation: rotate linear 20s infinite;
}
@keyframes rotate {
  from {
    transform: rotateX(0deg) rotateY(0deg);
  }
  to {
    transform: rotateX(360deg) rotateY(360deg);
  }
}
.cube div {
  position: absolute;
  width: 200px;
  height: 200px;
  opacity: 0.5;
  transition: all 0.4s;
}
/*定义所有图片样式*/
.pic {
  width: 200px;
  height: 200px;
}
.cube .out_front {
  transform: rotateY(0deg) translateZ(100px);
}
.cube .out_back {
  transform: translateZ(-100px) rotateY(180deg);
}
.cube .out_left {
  transform: rotateY(-90deg) translateZ(100px);
}
.cube .out_right {
  transform: rotateY(90deg) translateZ(100px);
}
.cube .out_top {
  transform: rotateX(90deg) translateZ(100px);
}
.cube .out_bottom {
  transform: rotateX(-90deg) translateZ(100px);
}
/*定义小正方体样式*/
.cube span {
  display: block;
  width: 100px;
  height: 100px;
  position: absolute;
  top: 50px;
  left: 50px;
}
.cube .in_pic {
  width: 100px;
  height: 100px;
}
.cube .in_front {
  transform: rotateY(0deg) translateZ(50px);
}
.cube .in_back {
  transform: translateZ(-50px) rotateY(180deg);
}
.cube .in_left {
  transform: rotateY(-90deg) translateZ(50px);
}
.cube .in_right {
  transform: rotateY(90deg) translateZ(50px);
}
.cube .in_top {
  transform: rotateX(90deg) translateZ(50px);
}
.cube .in_bottom {
  transform: rotateX(-90deg) translateZ(50px);
}
/*鼠标移入后样式*/
.cube:hover .out_front {
  transform: rotateY(0deg) translateZ(200px);
}
.cube:hover .out_back {
  transform: translateZ(-200px) rotateY(180deg);
}
.cube:hover .out_left {
  transform: rotateY(-90deg) translateZ(200px);
}
.cube:hover .out_right {
  transform: rotateY(90deg) translateZ(200px);
}
.cube:hover .out_top {
  transform: rotateX(90deg) translateZ(200px);
}
.cube:hover .out_bottom {
  transform: rotateX(-90deg) translateZ(200px);
}