.block.full_width_image {
    box-sizing: border-box;
    height: 0;
    padding-bottom: 38%;
}

.block.full_width_image figure {
    background-size: cover !important;
    background-position: center !important;
    opacity: 1;
    position: absolute;
    top: 0;
    right: 0;
    bottom: 0;
    left: 0;
    margin: 0;
    z-index: 1;
}