body {
    font-family: Arial, sans-serif;
}

header .logo {
    text-align: center;
    margin: 20px 0;
}

.container {
    max-width: 600px;
    margin: 0 auto;
}

.appointment-container {
    background: #f8f9fa;
    border: 1px solid #dee2e6;
    padding: 20px;
    border-radius: 5px;
    margin-top: 30px;
}

h2 {
    color: #007bff;
    margin-bottom: 20px;
}

.btn-primary {
    background-color: #007bff;
    border-color: #007bff;
}