rongxin.nongjing.expo/src/style/layout.scss

.row {
  display: flex;
}

.col {
  display: flex;
  flex-direction: column;

}

.space_between {
  justify-content: space-between;
}

.flex_1 {
  flex: 1;
}

.align_item_center {
  align-items: center;
}