justify-content 진행 X축 정렬과 간격 1-1 justify-content:flex-start 1 2 3 4 5 6 7 8 9 10 11 12 13 14 .container{width:900px; height:400px; background-color:white; border:2px solid #666; margin:0 auto; display: flex; justify-content: flex-start;} .container>div:nth-of-type(1){width:30%; height:30%; background-color: red;} .container>div:nth-of-type(2){width:30%; height:30%; background-color: orange;} .co..