/* Style général */
body {
    font-family: Arial, sans-serif;
    margin: 0;
    padding: 0;
    background-color: #f4f4f4;
}

header {
    background-color: #333;
    color: white;
    padding: 1rem;
    text-align: center;
}

.section {
    padding: 2rem;
    background-color: white;
    margin: 1rem auto;
    max-width: 800px;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
}

h2 {
    border-bottom: 2px solid #333;
    padding-bottom: 0.5rem;
}