#member1688 dl {
    background-image:url(/images/staff/1688/);
}
#member1721 dl {
    background-image:url(/images/staff/1721/);
}
@media only screen and (max-width: 830px) {
#member1688 .hello {
    background-image:url(/images/staff/1688/);
}
#member1721 .hello {
    background-image:url(/images/staff/1721/);
}
}