@import'path_to_flex.styl'// or
@import'../node_modules/flexstyl/flex'// or
@import'~flexstyl/flex'// webpack// just import flex.styl regardless whence
flexstyl// display: flex;flexline// display: inline-flex;flexcenter/* align-items: center; align-content: center; justify-content: center;*/flexwrap// flex-wrap: wrap;flexcolumn// flex-direction: column;justifyend// justify-content: flex-end;justifyaround// justify-content: space-around;alignstart// align-items: flex-start;selfauto// align-self: auto;flexgrow// flex-grow: 1;