.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.7);
    z-index: 999;
}

.modal-content {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: #fff;
    padding: 20px;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}

.close {
    position: absolute;
    top: 10px;
    right: 40px;
    font-size: 40px;
    cursor: pointer;
}