.@{css-prefix}row {
  .make-row();
  display: block;
  &-flex {
    display: flex;
    flex-direction: row;
    flex-wrap: wrap;
    &:before,
    &:after {
      display: flex;
    }
    // x轴原点
    &-start {
      justify-content: flex-start;
    }
    // x轴居中
    &-center {
      justify-content: center;
    }
    // x轴反方向
    &-end {
      justify-content: flex-end;
    }
    // x轴平分
    &-space-between {
      justify-content: space-between;
    }
    // x轴有间隔地平分
    &-space-around {
      justify-content: space-around;
    }
    // 顶部对齐
    &-top {
      align-items: flex-start;
    }
    // 居中对齐
    &-middle {
      align-items: center;
    }
    // 底部对齐
    &-bottom {
      align-items: flex-end;
    }
  }
}
.@{css-prefix}col {
  position: relative;
  display: block;
}
.make-grid();