@import url('mobile.css') only screen and (min-width: 320px) and (max-width: 480px);
@import url('tablet.css') only screen and (min-width: 481px ) and (max-width: 768px);
@import url('tabletbig.css') only screen and (min-width: 769px ) and (max-width: 1024px);
@import url('styles_res.css') only screen and (min-width: 1025px ) and (max-width: 1210px);
@import url('styles.css') only screen and (min-width: 1211px);