.slider-area h1 {
    font-size: 60px;
    line-height: 1.2;
    font-weight: bold;
}
@media screen and (max-width: 767px) {
    .slider-area h1 {
        font-size: 40px;
    }
}
@media screen and (max-width: 575px) {
    .slider-area h1 {
        font-size: 36px;
    }
}