.modal-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.7);
    justify-content: center;
    align-items: center;
    z-index: 1000;
}

.modal-content {
    position: relative;
    background-color: transparent;
    max-width: 400px;
    padding: 0;
    text-align: center;
    overflow: hidden;
    border-radius: 0;
    box-shadow: none;
}

.modal-image {
    width: 100%;
    height: auto;
    display: block;
}

.close-btn {
    position: absolute;
    top: 10px;
    right: 15px;
    font-size: 30px;
    color: #fff;
    background: none;
    border: none;
    cursor: pointer;
    text-shadow: 0 0 5px rgba(0,0,0,0.5);
}

.close-btn:hover {
    color: #ccc;
}