html {
    font-size: 100px;
}
@media screen and (min-width:1920px) {
    html {
        font-size: 100px;
    }
}
@media screen and (min-width:1600px) and (max-width:1920px) {
    html {
        font-size: calc(100vw / 19.2);
    }
}
@media screen and (max-width:1600px) {
    html {
        font-size: calc(100vw / 16.5);
    }
}
@media screen and (max-width:1024px) {
    html {
        font-size: calc(100vw / 13.5);
    }
}
html {
    font-size: 100px;
}