CSS vue过渡属性 以及鼠标悬浮控制多个元素的样式

<template>
  <div class="about">
    <div class="div">
      <div class="div1"></div>
      <div class="div2"></div>
      <div class="div3"></div>
    </div>
  </div>
</template>
<style lang="less" scoped>
.about{
  .div{
    background-color:rgba(0, 0, 0, 0);
    width: 120px;
    height: 120px;
    position:fixed;
    right: 50px;
    bottom: 50px;
    transition-property:width,background-color;
    transition-duration: 1s;
    &:hover{
      width: 340px;
      background-color:rgba(175, 173, 173, 0.5);
    }
    &:hover .div1{
      right:230px;
      bottom:10px;
    }
    &:hover .div2{
      right:120px;
      bottom:10px;
    }
    .div1{
      background-color: rgb(6, 212, 240);
      width: 100px;
      height: 100px;
      position: absolute;
      right:20px;
      bottom:10px;
      transition-property: right,bottom;
      transition-duration: 1s;
    }
    .div2{
      background-color: rgb(0, 255, 191);
      width: 100px;
      height: 100px;
      position: absolute;
      right:15px;
      bottom:10px;
      transition-property: right,bottom;
      transition-duration: 1s;
    }
    .div3{
      background-color: rgb(195, 0, 255);
      width: 100px;
      height: 100px;
      position: absolute;
      right:10px;
      bottom:10px;
    }
  }
}
</style>