ing: border-box;
        z-index: 5;
        background: url('https://images.unsplash.com/photo-1580502304784-8985b7eb7260?ixid=MnwxMjA3fDB8MHxwaG90by1wYWdlfHx8fGVufDB8fHx8&ixlib=rb-1.2.1&auto=format&fit=crop&w=1170&q=80')no-repeat center center/cover;
        transition: 2s all;
    }

    #img1.active {
        width: 0;
    }

    #img2 {
        border-left-width: 8px;
        border-right-width: 8px;
        border: 4px solid white;
        box-shadow: 2px 2px 2px 2px black;
        box-sizing: border-