body {
    font-family: 'Roboto', sans-serif;
    background-color: #121212; 
    color: #ffffff; 
    margin: 0; 
    padding: 0; 
}

.navbar-brand img {
    width: 200px; 
    height: auto; 
}

.icon-style {
    font-size: 2rem !important; 
    margin-right: 8px; 
}

.navbar-nav {
    font-size: 1.5rem;
    justify-content: center;
    width: 100%; 
    gap: 10px;
}

.nav-link {
    display: flex;
    flex-direction: column; 
    align-items: center; 
    justify-content: center; 
    text-align: center; 
}

.nav-link:hover {
    color: #007bff; 
    background-color: rgba(0, 123, 255, 0.1); 
    border-radius: 10px; 
}

h1 {
    font-size: 55px;
    margin: 50px;
}

h2 {
    text-align: center;
    margin-top: 25px;
}

h3 {
    text-align: center;
    margin-top: 10px;
}

p {
    text-align: center;
    margin-top: 10px;
}

.lien {
    text-align: center;
    margin-top: 10px;
}

.container {
    padding: 20px;
}