fix(flexbox): add default display property to getDisplayStyle() (#301)
fix(flexbox): add default display property to getDisplayStyle() (#301)


angular/flex-layout,angular/flex-layout,atscott/flex-layout,angular/flex-layout,benbraou/flex-layout,benbraou/flex-layout,angular/flex-layout,atscott/flex-layout,benbraou/flex-layout,atscott/flex-layout,benbraou/flex-layout,atscott/flex-layout