.parallax-container {
    margin-top: -38px;
    position: relative;
    overflow: hidden;
    height: 550px;
}

    .parallax-container .parallax {
        position: absolute;
        top: 0;
        left: 0;
        right: 0;
        bottom: 45%;
        z-index: -1
    }

        .parallax-container .parallax img {
            opacity: 0;
            position: absolute;
            left: 50%;
            bottom: 0;
            min-width: 100%;
            min-height: 100%;
            -webkit-transform: translate3d(0, 0, 0);
            transform: translate3d(0, 0, 0);
            -webkit-transform: translateX(-50%);
            transform: translateX(-50%)
        }