#tennis-booking-form {
    max-width: 700px;
    margin: 30px auto;
    padding: 20px;
    background: #f9f9f9;
    border-radius: 12px;
    box-shadow: 0 0 15px rgba(0,0,0,0.05);
    font-family: Arial, sans-serif;
}
#tennis-booking-form h2 {
    font-size: 22px;
    margin-bottom: 15px;
}
#tennis-booking-form label {
    display: block;
    margin-bottom: 12px;
    font-weight: 500;
    color: #333;
}
#tennis-booking-form input,
#tennis-booking-form select,
#tennis-booking-form textarea {
    width: 100%;
    padding: 10px;
    margin-top: 4px;
    border: 1px solid #ccc;
    border-radius: 6px;
    font-size: 15px;
}
#tennis-booking-form button {
    padding: 10px 20px;
    background-color: #0073aa;
    color: #fff;
    border: none;
    border-radius: 6px;
    cursor: pointer;
    font-size: 15px;
    margin-top: 15px;
}
fieldset {
    border: 1px solid #ddd;
    padding: 15px;
    border-radius: 8px;
    margin-bottom: 20px;
    background: #fff;
}
legend {
    font-weight: bold;
    font-size: 16px;
}