This has x options: 1. behavior 2. direction 3. justify content 4. align-items 5. !flex-justify justify-content-${|start,end,center,between,around,evenly,sm-start,sm-end,sm-center,sm-between,sm-around,sm-evenly,md-start,md-end,md-center,md-between,md-around,md-evenly,lg-start,lg-end,lg-center,lg-between,lg-around,lg-evenly,xl-start,xl-end,xl-center,xl-between,xl-around,xl-evenly,xxl-start,xxl-end,xxl-center,xxl-between,xxl-around,xxl-evenly|} Options: - start, - end, - center, - between, - around, - evenly, - sm-start, - sm-end, - sm-center, - sm-between, - sm-around, - sm-evenly, - md-start, - md-end, - md-center, - md-between, - md-around, - md-evenly, - lg-start, - lg-end, - lg-center, - lg-between, - lg-around, - lg-evenly, - xl-start, - xl-end, - xl-center, - xl-between, - xl-around, - xl-evenly, - xxl-start, - xxl-end, - xxl-center, - xxl-between, - xxl-around, - xxl-evenly, !flex-align-item align-items-${1|start,end,center,baseline,stretch,sm-start,sm-end,sm-center,sm-baseline,sm-stretch,md-start,md-end,md-center,md-baseline,md-stretch,lg-start,lg-end,lg-center,lg-baseline,lg-stretch,xl-start,xl-end,xl-center,xl-baseline,xl-stretch,xxl-start,xxl-end,xxl-center,xxl-baseline,xxl-stretch|} Options: - start, - end, - center, - baseline, - stretch, - sm-start, - sm-end, - sm-center, - sm-baseline, - sm-stretch, - md-start, - md-end, - md-center, - md-baseline, - md-stretch, - lg-start, - lg-end, - lg-center, - lg-baseline, - lg-stretch, - xl-start, - xl-end, - xl-center, - xl-baseline, - xl-stretch, - xxl-start, - xxl-end, - xxl-center, - xxl-baseline, - xxl-stretch, !flex-align-self align-self-${1|start,end,center,baseline,stretch,sm-start,sm-end,sm-center,sm-baseline,sm-stretch,md-start,md-end,md-center,md-baseline,md-stretch,lg-start,lg-end,lg-center,lg-baseline,lg-stretch,xl-start,xl-end,xl-center,xl-baseline,xl-stretch,xxl-start,xxl-end,xxl-center,xxl-baseline,xxl-stretch|} Options: - start, - end, - center, - baseline, - stretch, - sm-start, - sm-end, - sm-center, - sm-baseline, - sm-stretch, - md-start, - md-end, - md-center, - md-baseline, - md-stretch, - lg-start, - lg-end, - lg-center, - lg-baseline, - lg-stretch, - xl-start, - xl-end, - xl-center, - xl-baseline, - xl-stretch, - xxl-start, - xxl-end, - xxl-center, - xxl-baseline, - xxl-stretch, !flex-fill Description: flex-${1|fill,sm-fill,md-fill,lg-fill,xl-fill,xxl-fill|} Options: - fill - sm-fill - md-fill - lg-fill - xl-fill - xxl-fill