body,
html {
    margin: 0;
    padding: 0;
}

html {
    height: 100%;
    font-size: 26px;
}

body {
    height: 100%;
}

main {
    font-size: 2rem;
    height: 100%;
    background-color: #aaa;
    color: #000;
    padding: 1.25rem;
    display: flex;
    flex-direction: row;
    justify-content: center;
    align-items: center;
}

@media (max-width: 1600px) {
    html {
        font-size: 15px;
    }
}