既然已经做了，就不如留个纪念

level 1

justify-content:flex-end;

level2

justify-content:center;

level3

justify-content:space-around;

level4

justify-content:space-between;

level5

align-items:flex-end;

level6

justify-content:center;
align-items:center;

level7

justify-content:space-around;
align-items:flex-end;

level8

flex-direction:row-reverse;

level9

flex-direction:column

level10

justify-content:flex-end;
flex-direction:row-reverse

level11

flex-direction:column;
justify-content:flex-end;

level12

flex-direction:column-reverse;
justify-content:space-between;

level13

flex-direction:row-reverse;
justify-content:center;
align-items:flex-end

level14

order:100

level15

order:-1

level16

align-self:flex-end

level17

align-self:flex-end;
order:1

level18

flex-wrap:wrap

level19

flex-direction:column;
flex-wrap:wrap

level20

flex-flow:column wrap

level21

align-content:flex-start

level 22

align-content:flex-end

level 23

flex-direction:column-reverse;
align-content:center

level24

flex-flow:column-reverse wrap-reverse; 
justify-content:center;
align-content:space-between;