display:-webkit-flex;
display:-webkit-flex;
flex-direction: row; /*default*/
display:-webkit-flex;
flex-direction: row-reverse;
display:-webkit-flex;
flex-direction: column;
display:-webkit-flex;
flex-direction: column-reverse;
display:-webkit-flex;
-webkit-flex-wrap: nowrap; /* default */
display:-webkit-flex;
width:400px
-webkit-flex-wrap: wrap;
display:-webkit-flex;
width:400px
-webkit-flex-wrap: wrap-reverse;
display:-webkit-flex;
width:400px
justify-content: flex-start; /* default */
display:-webkit-flex;
justify-content: flex-end
display:-webkit-flex;
justify-content: center
display:-webkit-flex;
justify-content: space-between
display:-webkit-flex;
justify-content: space-around
display:-webkit-flex;
display:-webkit-flex;
align-items: flex-start; /* default */
display:-webkit-flex;
align-items: flex-end;
display:-webkit-flex;
align-items: center;
display:-webkit-flex;
align-items: baseline;
display:-webkit-flex;
align-items: stretch;
display:-webkit-flex;
align-items: flex-start;/*对比align-items*/
display:-webkit-flex;
flex-wrap:wrap
align-content: flex-start;
display:-webkit-flex;
flex-wrap:wrap
align-content: flex-end;
display:-webkit-flex;
flex-wrap:wrap
align-content: center;
display:-webkit-flex;
flex-wrap:wrap
align-content: space-between;
display:-webkit-flex;
flex-wrap:wrap
align-content: space-around;
display:-webkit-flex;
flex-wrap:wrap
align-content: stretch;
display:-webkit-flex;
flex-wrap:wrap
display:-webkit-flex