.img-container {
    position: relative;
    width: 100%;
    height: auto;
    margin-bottom: 4rem;
}
.img-container > div:not(.bhImageInner),
.img-container > span {
    display: block;
    min-height: 500px;
    background-size: cover;
    background-position: center center;
    background-repeat: no-repeat;
}
.img-container img {
    width: 100%;
    height: auto;
}