body {
    font-family: 'Arial';
    height: 100vh;
}

.conteneur {
    background-color: #F5F5DC; 
    padding: 40px;
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.2); 
    max-width: 450px; 
}

h1 {
    color: #2c3e50;
    margin-bottom: 20px;
    font-size: 32px;
}

p {
    color: #555;
    font-size: 18px;
    line-height: 1.5; 
}

a {
    color: blue;
    font-weight: bold;
}