import { Theme , createStyles } from '@material-ui/core/styles' ; import { rem } from '@toptal/picasso-shared' ; import { PicassoProvider } from '@toptal/picasso-provider' ; PicassoProvider . override ( ( { shadows } ) => ( { MuiMenu : { paper : { boxShadow : shadows [ 2 ] } } , MuiList : { root : { boxShadow : shadows [ 1 ] } } } ) ) ; export default ( ) => createStyles ( { root : { outline : 0 } , backButtonIcon : { verticalAlign : 'middle' , marginTop : rem ( '-1px' ) , marginRight : rem ( '4px' ) , marginLeft : rem ( '-5px' ) } } ) ;