/* Let the desktop masthead logo fill its column beside the 728px banner. */
@media (min-width: 1201px) {
    header .mid-section .logo {
        flex: 1 1 0;
        width: auto;
        min-width: 0;
    }

    header .mid-section .logo img {
        width: 100%;
        height: auto;
    }
}