.subscribe-us{
    font-family: "Poppins", Sans-serif;
    font-size: 55px;
    line-height: 1.1em;
    color: #fff;
}

@media only screen and (min-width: 319px) and (max-width: 376px) {
    .subscribe-us{
        font-size: 28px;
    }
}

@media only screen and (min-width: 375px) and (max-width: 425px) {
    .subscribe-us{
        font-size: 33px;
    }
}

@media only screen and (min-width: 425px) and (max-width: 765px) {
    .subscribe-us{
        font-size: 39px;
    }
}

@media only screen and (min-width: 765px) and (max-width: 1024px) {
    .subscribe-us{
        font-size: 54px;
    }
}