@media (max-width: 768px) {

    .img-container {
        display:flex;
        flex-direction: column;     
    }
    div.img-container > img {
        margin-left:0px !important;
        width: 100%;
    }
    div.title-big {
        font-size:65px;
        letter-spacing: 0px;
    }

    div.title {
        background-color: antiquewhite;
    }

    div.title-big-50 {
        font-size: 55px;
    }

    div.parallax-container {
        width: 100% !important;
    }

}