:root {
    --typo-calc: 1;
}

@media screen and (min-width:100em){
    :root {
        /*--typo-calc: 1.125;*/
        --typo-calc: 1.1;
    }
}
/*
@media screen and (min-width:120em){
    :root {
        --typo-calc: 1.25;
    }
}
    */