/* Phone */
@import url("mobile.css") only screen and (max-width:480px);
/* Tablet */
@import url("tablet.css") only screen and (min-width:481px);

/* Low Res */
@import url("lowres.css") only screen and (min-width:768px);
/* High Res */
@import url("hires.css") only screen and (min-width:980px);

/* PC */
@import url("principles.css") only screen and (min-width:996px);