.left-heading {
    line-height: 1.2;
    font-size: 33px;
}

@media only screen and (max-width: 374px) {
    .left-heading {
        font-size: 27px;
        line-height: 1.2;
    }
}

@media only screen and (min-width: 768px) {
    .left-heading {
        font-size: 76px;
        line-height: 1.2;
    }
}

@media only screen and (min-width: 1280px) {
    .left-heading {
        line-height: 1.2;
        font-size: 64px;
    }
}