.success-message {
        position: fixed;
        top: 50%;
        left: 50%;
        transform: translate(-50%, -50%);
        background-color: #f2f2f2;
        border: 1px solid #ddd;
        padding: 20px;
        text-align: center;
        box-shadow: 0px 0px 10px rgba(0, 0, 0, 0.2);
    }

    .error-message {
        position: fixed;
        top: 50%;
        left: 50%;
        transform: translate(-50%, -50%);
        background-color: #fbeaea;
        border: 1px solid #e74c3c;
        color: #a71d2a;
        padding: 20px;
        text-align: center;
        box-shadow: 0px 0px 10px rgba(0, 0, 0, 0.2);
        max-width: 90%;
    }

    .referral-form input[type="text"],
    .referral-form input[type="tel"],
    .referral-form input[type="email"],
    .referral-form select,
    .referral-form textarea {
        display: block;
        width: 100%;
        max-width: 500px;
        margin-bottom: 12px;
    }

    .referral-form label {
        display: block;
        margin-top: 10px;
        font-weight: bold;
    }