body {
            background-color: #f8f9fa;
            font-family: 'Arial', sans-serif;
        }

        .appointment-form {
            max-width: 500px;
            margin: 50px auto;
            background-color: #fff;
            padding: 30px;
            border-radius: 8px;
            box-shadow: 0px 0px 10px rgba(0, 0, 0, 0.1);
        }

        .appointment-form h2 {
            font-size: 24px;
            color: #2596be;
            font-weight: bold;
            text-align: center;
            margin-bottom: 20px;
        }

        .appointment-form .form-label {
            font-weight: 600;
            color: #333;
        }

        .appointment-form .form-control {
            border-radius: 8px;
            border-color: #e0e0e0;
        }

        .appointment-form .btn-primary {
            background-color: #2596be;
            border-color: #2596be;
            border-radius: 8px;
            padding: 10px 20px;
            font-size: 16px;
            font-weight: bold;
        }

        .appointment-form .required::after {
            content: ' *';
            color: red;
        }

        .appointment-form p {
            text-align: center;
            margin-top: 20px;
            font-size: 14px;
            color: #777;
        }

        .form-text {
            font-size: 12px;
            color: #6c757d;
        }