// 弹性布局
.flex {
  display: flex;
}

.flex-items-center {
  align-items: center;
}

.flex-justify-start {
  justify-content: flex-start;
}

.flex-justify-end {
  justify-content: flex-end;
}

.flex-justify-center {
  justify-content: center;
}

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

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

.flex-wrap {
  flex-wrap: wrap;
}

.flex-nowrap {
  flex-wrap: nowrap;
}

.flex-full {
  flex: 1;
}

.flex-shrink-0 {
  flex-shrink: 0;
}