.med-center .container-1440:not(._700px) {
    background-position: 50% 0;
    background-repeat: no-repeat;
    background-size: contain;
}

.med-center .container-1440._700px {
    background-position: 0 0, 100%;
    background-repeat: repeat, no-repeat;
    background-size: auto, cover;
}