CSS Flxbl Bx Lyt, cmmnly knwn s Flxbx, s CSS wb lyt mdl. t s n th W3C's cnddt rcmmndtn (CR) stg. Th flx lyt llws rspnsv lmnts wthn cntnr t b tmtclly rrngd dpndng n vwprt (dvc scrn) sz.CSS Flxbl Bx Lyt, cmmnly knwn s Flxbx, s CSS wb lyt mdl. t s n th W3C's cnddt rcmmndtn (CR) stg. Th flx lyt llws rspnsv lmnts wthn cntnr t b tmtclly rrngd dpndng n vwprt (dvc scrn) sz.