.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: white;
    padding: 20px;
    border-radius: 10px;
    width: 320px;
    text-align: center;
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    box-shadow: 0px 0px 10px rgba(0, 0, 0, 0.3);
}

.btn {
    display: inline-block;
    padding: 10px 20px;
    background-color: #007bff;
    color: white;
    text-decoration: none;
    border-radius: 5px;
    margin-top: 10px;
    margin-right: 5px;
}

.btn:hover {
    background-color: #0056b3;
}

.secondary-btn {
    background-color: #28a745;
}

.secondary-btn:hover {
    background-color: #218838;
}