.modal {
    display: none;
    position: fixed;
    z-index: 1000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
}

.modal-content {
    background-color: #fefefe;
    margin: 15% auto;
    padding: 20px;
    border: 1px solid #888;
    width: 80%;
    max-width: 500px;
    border-radius: 5px;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
}

.modal-title {
    margin: 0 0 15px 0;
    font-size: 1.5em;
    font-weight: bold;
}

.modal-text {
    margin-bottom: 20px;
    line-height: 1.5;
}

.close-button {
    display: block;
    width: 100%;
    max-width: 200px;
    margin: 0 auto;
    padding: 10px 20px;
    background-color: #4CAF50;
    color: white;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    font-size: 16px;
}

.close-button:hover {
    background-color: #45a049;
}