body {
    font-family: Arial, sans-serif;
    margin: 0;
    padding: 0;
    text-align: center;
}

header {
    background-color: #333;
    color: #fff;
    padding: 20px 0;
}

nav ul {
    list-style-type: none;
    padding: 0;
    background-color: #444;
    margin: 0;
    overflow: hidden;
}

nav ul li {
    display: inline;
    padding: 10px 20px;
}

nav ul li a {
    color: white;
    text-decoration: none;
}

.banner {
    background-color: red;
    padding: 20px 0;
}

.devis-btn {
    background-color: white;
    color: red;
    padding: 10px 20px;
    text-decoration: none;
    border-radius: 5px;
    font-weight: bold;
}

.main-photo img {
    width: 100%;
    height: auto;
}

.services {
    display: flex;
    justify-content: center;
    margin: 20px 0;
    flex-wrap: wrap;
}

.services .column {
    flex: 1;
    padding: 20px;
    margin: 10px;
    background-color: #f4f4f4;
    max-width: 25%;
    box-sizing: border-box;
}

.services .column h2 {
    color: #333;
    margin-bottom: 10px;
}

.services .column p {
    color: #666;
}

.contact {
    padding: 20px;
}

.contact h2 {
    color: #333;
}

.contact p {
    color: #666;
}

.iframe-container {
    display: flex;
    justify-content: center;
    align-items: center;
    margin-top: 20px;
}

footer {
    background-color: #333;
    color: #fff;
    padding: 20px 0;
}

footer .contact-info {
    background-color: transparent;
}

footer .contact-info p {
    margin: 5px 0;
}

footer .contact-info a {
    color: #fff;
    text-decoration: none;
}