@media only screen and (max-width:1200px){.banner1{background-image:url('../Images/banner1M.jpg')}.banner2{background-image:url('../Images/banner2M.jpg')}.banner3{background-image:url('../Images/banner3M.jpg')}}@media only screen and (max-width:480px){.banner1{background-image:url('../Images/banner1S.jpg')}.banner2{background-image:url('../Images/banner2S.jpg')}.banner3{background-image:url('../Images/banner3S.jpg')}}