@media only screen and (min-width: 500px) {
    .fs-20 {
        font-size: 2.25rem;
    }

    .fs-18 {
        font-size: 1.75rem;
    }

    .fs-16 {
        font-size: 1.4rem;
    }

    .fs-14 {
        font-size: 1.125rem;
    }

    .fs-12 {
        font-size: 1rem;
    }

    .fs-10 {
        font-size: .75rem;
    }
}