@media only screen and (min-width:600px) and (max-width:939px),only screen and (max-device-width:1024px) and (orientation:portrait){.contenu{width:600px}}@media only screen and (min-width:500px) and (max-width:599px),only screen and (max-device-width:480px) and (orientation:landscape){.contenu{width:500px}}@media only screen and (max-width:499px),only screen and (max-device-width:480px) and (orientation:portrait){html,body{min-width:320px}.contenu{width:310px}}