--답
justify-content:flex-end;
justify-content:center;
justify-content:space-around;
justify-content:space-between;
align-items:flex-end;
justify-content:center;
align-items:center;
justify-content:space-around;
align-items:flex-end
flex-direction:row-reverse;
flex-direction:column;
flex-direction:row-reverse;
justify-content:flex-end;
flex-direction:column;
justify-content:flex-end;
flex-direction:column-reverse;
justify-content:space-between;
flex-direction:row-reverse;
justify-content:center;
align-items:flex-end;
order:2
order:-1;
align-self:flex-end;
order:3;
align-self:flex-end;
flex-wrap:wrap;
flex-direction:column;
flex-wrap:wrap;
flex-flow:wrap column
align-content:flex-start;
align-content:flex-end;
flex-direction:column-reverse;
align-content:center;
flex-flow:column-reverse wrap-reverse;
justify-content:space-between;
align-content:space-between;
justify-content:center;
https://heropy.blog/2018/11/24/css-flexible-box/