@media (max-width: 570px) {
    .oneThird {
        width: 100%;
        border-left: none;
    }

    .quarter {
        width: 100%;
        border-left: none;
    }

    .headerTitle {
        text-align: right;
    }

    .headerSubTitle {
        text-align: right;
    }

    .headerLinks {
        position: static;
    }
}
Add custom CSS with some tweaks for mobile use
Add custom CSS with some tweaks for mobile use
