我要复用相同部分的样式

Question

.row-contain {
  display: flex;
  flex-direction: row;
  padding: 0 10px 0;
  .row-contain-b {
    margin-top: 10px;
  }

代码里：
<div className={styles['row-contain']}>
<div className={styles['row-contain-b']}>

想row-contain-b复用上面的样式 并多一个margin-top: 10px;

Answer 1

没看懂啥意思