微信小程序--加载动画：旋转方块

 <view class="loading-screen">
        <view class="loading">
            <view class="flour" ></view>
            <view class="flour" ></view>
            <view class="flour" ></view>
            <view class="flour" ></view>
        </view>
    </view> 

page{
  margin: 0;
  padding: 0;
}

.loading-screen{
  width: 100%;
  height: 100vh;
  background-color: #2e2e2e;
  position: fixed;
  display: flex;
  align-items: center;
  justify-content: center;
}

.loading{
  width: 80px;
  display: flex;
  flex-wrap: wrap;
.

  <view class="loading-screen">
        <view class="loading">
            <view class="flour_1" ></view>
            <view class="flour_2" ></view>
            <view class="flour_3" ></view>
            <view class="flour_4" ></view>
        </view>
    </view>

page{
  margin: 0;
  padding: 0;
}

.loading-screen{
  width: 100%;
  height: 100vh;
  background-color: #2e2e2e;
  position: fixed;
  display: flex;
  align-items: center;
  justify-content: center;
}

.loading{
  width: 80px;
  display: flex;
  flex-wrap: wrap;
  animation: rotate 4s linear infinite;
}

@keyframes rotate{
  to{
      transform: rotate(360deg);
  }
}



/* 四色版本 */
.loading .flour_1{
  width: 32px;
  height: 32px;
  background-color: #eb4d4b;
  margin: 4px;