/* Réinitialisation des styles */
 * {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body, html {
    font-family: Ubuntu, Verdana, sans-serif;
    font-size: 16px;
    background-color: #D8DBE2;
    color: #333;
}

/* Styles de la barre de navigation */
.navbar {
    background-color: #212738;
    overflow: auto;
}

.navbar a {
    float: left;
    display: block;
    color: white;
    text-align: center;
    padding: 14px 16px;
    text-decoration: none;
}

.navbar a:hover {
    background-color: #ddd;
    color: black;
}

/* Styles pour le contenu central */
.container {
    max-width: 800px;
    margin: 20px auto;
    padding: 20px;
    background-color: #FFFFFF;
    border: 2px solid #212738;
    text-align: center;
}

.container h1 {
    margin-bottom: 20px;
    color: #212738;
}

form {
    margin-top: 20px;
}

label, input {
    margin-bottom: 10px;
}