@media screen and (max-width: 519px) {
.xr_mvp_2 {display: block;}
.xr_mvp_3 {display: none;}
.xr_mvp_1 {display: none;}
.xr_pbd {margin-left: -200px;}
#xr_xr {width: 400px; height: 1200px}
}
@media screen and (min-width: 520px) and (max-width: 799px) {
.xr_mvp_2 {display: none;}
.xr_mvp_3 {display: block;}
.xr_mvp_1 {display: none;}
.xr_pbd {margin-left: -320px;}
#xr_xr {width: 640px; height: 1300px}
}
@media screen and (min-width: 800px) {
.xr_mvp_2 {display: none;}
.xr_mvp_3 {display: none;}
.xr_mvp_1 {display: block;}
.xr_pbd {margin-left: -480px;}
#xr_xr {width: 960px; height: 850px}
}