@media (min-width: 851px) and (max-width: 1024px) {
    body {
        background: url(/static/alumni/common/img/background-tablet.png) 0 0 no-repeat;
        background-size: 100%;
    }
}

@media (min-width: 1025px) {
    body {
        background: url(/static/alumni/common/img/background.png) no-repeat top center fixed;
        background-size: cover;
    }
}