.modal {
    display: none;
    position: fixed;
    z-index: 1000;
    top: 0; left: 0;
    width: 100%; height: 100%;
    background: #0000006b;
    justify-content: center;
    align-items: center;
    flex-direction: column;
}

.modal-image {
    max-width: 90%;
    max-height: 80vh;
    margin-bottom: 1rem;
}

.modal-caption {
    color: #f7f7f7;
    font-size: 1.2rem;
    text-align: center;
}

.close-btn {
    position: absolute;
    top: 1rem;
    right: 2rem;
    font-size: 2rem;
    color: #f7f7f7;
    cursor: pointer;
}

.left-btn {
    position: absolute;
    left: 2rem;
    font-size: 2rem;
    color: #f7f7f7;
    cursor: pointer;
}
.right-btn {
    position: absolute;
    right: 2rem;
    font-size: 2rem;
    color: #f7f7f7;
    cursor: pointer;
}