/* mobile */
@import url("mobile.css") only screen and (max-width:480px);
/* tablet */
@import url("tablet.css") only screen and (min-width:481px) and (max-width:767px);
/* desk */
@import url("desk.css") only screen and (min-width:1200px);
/* laptop */
@import url("laptop.css") only screen and (min-width:768px) and (max-width:979px);
/* largelap */
@import url("largelap.css") only screen and (min-width:980px) and (max-width:1199px);