.bannerContent {
    display: none;
}

@media screen and (min-width: 768px) {
    .banner {
        position: relative;
    }

    .bannerContent {
        display: block;
        position: absolute;
        bottom: 40%;
        left: 0;
        width: 100%;
        padding: 0 20px;
    }

    .bannerContent h2 {
        width: 36%;
        font-size: 30px;
        font-weight: bold;
        color: #fff;
        margin-bottom: 0;
    }
}

@media screen and (min-width: 1200px) {
    .bannerContent h2 {
        font-size: 50px;
    }

    .bannerContent {
        bottom: 27%;
        padding: 0;
    }
}