html, body {
    font-size: 16px;
    height: 100%;
    position: relative;
    overflow: hidden;
    scroll-behavior: smooth;
}

body > div {
    position: absolute;
    bottom: 0;
    top: 0;
    left: 0;
    right: 0;
    overflow-y: auto;
    line-height: 1.75rem;
}


@media (min-width: 768px) {
    html, body {
        font-size: 15px;
    }
}

@media (min-width: 992px) {
    html, body {
        font-size: 15px;
    }
}

@media (min-width: 1200px) {
    html, body {
        font-size: 15px;
    }
}

@media (min-width: 1400px) {
    html, body {
        font-size: 16px;
    }
}