body {
    font-family: 'Arial', sans-serif;
    margin: 0;
    padding: 0;
    background-color: #f3f3f3;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

#bloc-principal {
    background-color: #fff;
    padding: 20px;
    margin: 20px auto;
    border-radius: 8px;
    flex: 1; /* Ajouté pour occuper l'espace disponible */
}


a {
    color: black;
    text-align: center;
    padding: 14px 16px;
    text-decoration: none;
}
a:hover {
    background-color: #00d4ff;
}
.header {
    background-color: #007bff;
    color: #fff;
    text-align: center;
    padding: 20px 0;
    background-image: linear-gradient(to right, #00d4ff, #005792);
}
.header img {
    max-width: 100px;
    height: auto;
}
.content {
    padding: 20px;
    text-align: center;
}
.service {
    background-color: #007bff;
    color: white;
    margin: 10px 0;
    padding: 10px;
    border-radius: 5px;
    box-shadow: 0 2px 5px rgba(0,0,0,0.2);
}
footer {
    background-color: #333;
    color: white;
    text-align: center;
    margin-top: auto; /* Le footer reste en bas */
}