@media screen and (max-width: 879px) {
.xr_mvp_2 {display: block;}
.xr_mvp_1 {display: none;}
.xr_pbd {margin-left: -200px;}
#xr_xr {width: 400px; height: 850px}
}
@media screen and (min-width: 880px) {
.xr_mvp_2 {display: none;}
.xr_mvp_1 {display: block;}
.xr_pbd {margin-left: -680px;}
#xr_xr {width: 1360px; height: 950px}
}