@media (min-width: 481px){
    html{font-size: 106%}
}
@media (min-width:  360px) and (max-width: 480px){
    html{font-size: 100%}
}
@media (min-width:  320px) and (max-width: 359px){
    html{font-size: 93.8%}
}
@media (max-width: 319px){
    html{font-size: 87.5%}
}