@media (min-width: 750px) {
    footer { 
        border-radius: 0 40px 0 0;
        border-style: none;
        display: grid;
        grid-template-columns: 1fr 1fr;
        grid-template-rows: 2fr 1fr;
    }

    #map {
        grid-column: 1/2;
        grid-row: 1/2;
        margin: auto;
    }
    .reference {
        grid-column: 1/3;
        grid-row: 2/3;
        padding: 15px;
    }
}