/* Ceci est votre feuille de style CSS */

body { 
    font-family: Arial, sans-serif; 
    margin: 0; 
}

header { 
    background-color: #eee; 
    padding: 20px; 
    text-align: center; 
}

nav { 
    background-color: #333; 
    padding: 10px; 
    text-align: center; 
}

nav a { 
    margin: 0 15px; 
    text-decoration: none; 
    color: white; 
    font-weight: bold; 
}

nav a.active { 
    text-decoration: underline; 
    color: #9bf; 
}

main { 
    padding: 20px; 
}