#lightbox {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    justify-content: center;
    align-items: center;
    overflow: hidden;
    flex-direction: column;
}

#lightbox img {
    box-shadow: 0 0 25px rgba(0, 0, 0, 0.8);
    max-width: 80%;
    max-height: 90vh;
}

#close-btn {
    position: absolute;
    color: #fff;
    text-decoration: none;
    text-shadow: 0 2px 2px rgba(0, 0, 0, 0.8);
    cursor: pointer;
    z-index: 100;
}

#prev-btn,
#next-btn {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    text-decoration: none;
    color: #fff;
    text-shadow: 0 2px 2px rgba(0, 0, 0, 0.8);
    cursor: pointer;
    opacity: 0.5;
    z-index: 100;
}

#prev-btn:hover,
#next-btn:hover,
#close-btn:hover {
    opacity: 1;
}

/* Mobile arrangement */
#lightbox {
    background: rgba(0, 0, 0, .95);
    z-index: 100; 
}
#close-btn {
    top: 10px;
    right: 10px;
    font-size: 30px;
    opacity: 0.8;
}
#prev-btn,
#next-btn {
    font-size: 30px;
    opacity: 0.8;
}
#prev-btn {
    left: 2%;
}

#next-btn {
    right: 2%;
}
/* Tablet settings */
@media all and (min-width: 600px) {
    #lightbox {
        background: rgba(0, 0, 0, .9); 
    }
    #close-btn {
        top: 10px;
        right: 20px;
        font-size: 40px;
        opacity: 0.8;
    }
    #prev-btn,
    #next-btn {
        font-size: 40px;
        opacity: 0.8;
    }
    #prev-btn {
        left: 15px;
    }
    #next-btn {
        right: 15px;
    }
}
/* Desktop settings */
@media all and (min-width: 992px) {
    #lightbox {
        background: rgba(0, 0, 0, 0.9); 
    }
    #close-btn {
        top: 20px;
        right: 30px;
        font-size: 50px;
        opacity: 0.5;
    }
    #prev-btn,
    #next-btn {
        font-size: 50px;
        opacity: 0.5;
    }
    #prev-btn {
        left: 5%;
    }
    #next-btn {
        right: 5%;
    }
}