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<template> 中的代码：

<template>
  <div class="chart-box">
    <div class="item-box">A</div>
    <div class="item-box">B</div>
    <div class="item-box">C</div>
  </div>
</template>

<style> 中的代码：

.chart-box {
  display: flex;
  justify-content: space-around;
  .item-box {
    width: 100px;
    height: 100px;
    text-align: center;
    line-height: 100px;
  }
  .chart-box div:nth-child(1) {
    background-color: lightgreen;
  }
  .chart-box div:nth-child(2) {
    background-color: lightskyblue;
  }
  .chart-box div:nth-child(3) {
    background-color: lightcoral;
  }
}