#inav-container {
    max-width: 600px;
    margin: 20px auto;
    font-family: Arial, sans-serif;
}

.inav-form {
    background: #f7f7f7;
    padding: 15px;
    border-radius: 8px;
    margin-bottom: 20px;
}

.inav-btn {
    margin-top: 10px;
    padding: 10px 20px;
    background: #0073aa;
    color: white;
    border: none;
    border-radius: 4px;
    cursor: pointer;
}

.inav-btn:hover {
    background: #005f8d;
}

.inav-desc-route {
    background: #fff;
    padding: 15px;
    border-radius: 8px;
}