.parallax-container {
    position: relative;
    overflow: hidden;
    min-height: 350px;
    
    
}

.parallax {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 10;    background-color:rgba(0, 0, 0, 0.5);
}

.parallax img {
    display: none;
    position: absolute;
    left: 50%;
    bottom: 0;
    min-width: 100%;
    min-height: 100%;
    transform: translate3d(0, 0, 0);
    transform: translateX(-50%);
}