@media screen and (max-width: 799px) {
.xr_mvp_2 {display: block;}
.xr_mvp_1 {display: none;}
.xr_pbd {margin-left: -300px;}
#xr_xr {width: 600px; height: 1000px}
}
@media screen and (min-width: 800px) {
.xr_mvp_2 {display: none;}
.xr_mvp_1 {display: block;}
.xr_pbd {margin-left: -500px;}
#xr_xr {width: 1000px; height: 640px}
}