/* XS < 576 */
/* SM >= 576 */
@media only screen and (min-width: 200px) and (max-width: 767px) {
    h1{font-size: 2.8rem;}
}
/* MD -> 768 */
@media only screen and (min-width: 768px) and (max-width: 991px) {
    h1{font-size: 3rem;}
}
/* LG -> 992 */
@media only screen and (min-width: 992px) and (max-width: 1199px) {
    h1{font-size: 3.3rem;}
}
/* XL -> 1200 */
@media only screen and (min-width: 1200px) and (max-width: 1399px) {
    h1{font-size: 4rem;}
}
/* XXL > 1400 */
@media only screen and (min-width: 1400px) {
    h1{font-size: 4.5rem;}
}