1.2 双项目
.box { display: flex; justify-content: space-between; }
.box { display: flex; flex-direction: column; justify-content: space-between; }
.box { display: flex; flex-direction: column; justify-content: space-between; align-items: center; }
.box { display: flex; flex-direction: column; justify-content: space-between; align-items: flex-end; }
.box { display: flex; } .item:nth-child(2) { align-self: center; }
.box { display: flex; justify-content: space-between; } .item:nth-child(2) { align-self: flex-end; }