@media only screen and (min-width: 48.063em) {
    div#roommates-only div.row.categories div.category-item,
    div#roommates-housing div.row.categories div.category-item {
        width: 50%;
        min-height: 470px;
        float:left;
    }
}

@media only screen and (min-width: 64.063em) {
    div#roommates-only div.row.categories div.category-item,
    div#roommates-housing div.row.categories div.category-item {
        min-height: 375px;
    }
}