img.shadow {
    box-shadow: 0px 0px 50px 10px rgba(0, 0, 0, 0.1);
}

@media (min-width: 800px) {
    img.expand-right, img.expand-left {
        width: calc(100% + 100px);
        max-width: calc(100% + 100px);
    }

    img.expand-right-and-left {
        width: calc(100% + 200px);
        max-width: calc(100% + 200px);
    }

    img.expand-left, img.expand-right-and-left  {
        position: relative;
        left: -100px;
    }
}