/*1440px*/
/*大于*/
@media screen and (min-width: 1440px) {}

/*小于*/
@media screen and (min-width: 1440px) {}

/*1200px*/
/*大于*/
@media screen and (min-width: 1200px) {}

/*小于*/
@media screen and (max-width: 1200px) {}

/*880px*/
/*大于*/
@media screen and (min-width: 880px) {}

/*小于*/
@media screen and (max-width: 880px) {}

/*480px*/
/*大于*/
@media screen and (min-width: 480px) {}

/*小于*/
@media screen and (max-width: 480px) {

}