/* Кнопка */
#feedback-btn {
    position: fixed;
    right: 20px;
    bottom: 20px;
    background: #007BFF;
    color: #fff;
    padding: 12px 16px;
    border-radius: 50px;
    cursor: pointer;
    box-shadow: 0 4px 6px rgba(0,0,0,0.2);
}

/* Модальное окно */
#feedback-modal {
    display: none;
    position: fixed;
    top: 0; left: 0;
    width: 100%; height: 100%;
    background: rgba(0,0,0,0.6);
}
.modal-content {
    background: #fff;
    width: 400px;
    margin: 100px auto;
    padding: 20px;
    border-radius: 10px;
}
#close-modal {
    float: right;
    font-size: 20px;
    cursor: pointer;
}