Add flexbox support to alignment utility classes
Add flexbox support to alignment utility classes

JamesMura/sentry,gencer/sentry,mvaled/sentry,beeftornado/sentry,mvaled/sentry,ifduyue/sentry,JamesMura/sentry,JackDanger/sentry,JamesMura/sentry,mvaled/sentry,beeftornado/sentry,looker/sentry,looker/sentry,mvaled/sentry,ifduyue/sentry,ifduyue/sentry,gencer/sentry,beeftornado/sentry,JamesMura/sentry,looker/sentry,ifduyue/sentry,ifduyue/sentry,gencer/sentry,jean/sentry,jean/sentry,looker/sentry,mvaled/sentry,jean/sentry,JackDanger/sentry,gencer/sentry,gencer/sentry,looker/sentry,JamesMura/sentry,JackDanger/sentry,jean/sentry,mvaled/sentry,jean/sentry