今日分享-【HTML，CSS实现跳动的小方块动效】代码

1、废话不多说，先看效果：

2、具体实现代码：

HTML

<view class="base1">
  <view class="cube1"></view>
  <view class="cube1"></view>
  <view class="cube1"></view>
  <view class="cube1"></view>
  <view class="cube1"></view>
  <view class="cube1"></view>
  <view class="cube1"></view>
  <view class="cube1"></view>
  <view class="cube1"></view>
</view>

CSS

page {
  background-color: #222;
  height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* em相对父元素 */
.base1 {
  font-size: 25rpx;
  height: 9em;
  padding: 3em;
  width: 9em;
  transform: rotateX(45deg) rotateZ(45deg);
  transform-style: preserve-3d;
  border: 1px solid #fff;
  border-radius: 15px;
}

.cube1,
.cube1:after,
.cube1:before {
  content: '';
  float: left;
  height: 3em;
  position: absolute;
  width: 3em;
}

.cube1 {
  background-color: #8971aa;
  position: relative;
  transform: translateZ(3em);
  transform-style: preserve-3d;
  transition: .25s;
  box-shadow: 10em 10em 1.5em rgba(0, 0, 0, 0.1);
  animation: anim 1s infinite;
}

.cube1:after {
  background-color: #72697f;
  transform: rotateX(-90deg) translateY(3em);
  transform-origin: 100% 100%;
}

.cube1:before {
  background-color: #a79bbc;
  transform: rotateY(90deg) translateX(3em);
  transform-origin: 100% 0;
}

.cube1:nth-child(1) {
  animation-delay: 0.05s;
}

.cube1:nth-child(2) {
  animation-delay: 0.1s;
}

.cube1:nth-child(3) {
  animation-delay: 0.15s;
}

.cube1:nth-child(4) {
  animation-delay: 0.2s;
}

.cube1:nth-child(5) {
  animation-delay: 0.25s;
}

.cube1:nth-child(6) {
  animation-delay: 0.3s;
}

.cube1:nth-child(7) {
  animation-delay: 0.35s;
}

.cube1:nth-child(8) {
  animation-delay: 0.4s;
}

.cube1:nth-child(9) {
  animation-delay: 0.45s;
}

@keyframes anim {
  50% {
    transform: translateZ(0.5em);
  }
}

3、最终实现原理还是CSS样式+搭配keyframes动画而成

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