body {
    font-family: 'Arial', sans-serif;
    margin: 0;
    padding: 0;
    background-color: #f9f9f9;
    color: #333;
}

header {
    background-color: #4CAF50; /* Vert pas trop foncé */
    color: white;
    padding: 20px;
    text-align: center;
}

h1, h2, h3 {
    margin: 0;
    font-weight: normal;
}

h1 {
    font-size: 2.5em;
}

h2 {
    font-size: 2em;
}

h3 {
    font-size: 1.5em;
}

nav {
    margin: 20px 0;
}

nav a {
    color: white;
    text-decoration: none;
    margin: 0 15px;
    font-weight: bold;
}

nav a:hover {
    text-decoration: underline;
}

section {
    padding: 20px;
    margin: 20px;
    background-color: white;
    border-radius: 8px;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
}

footer {
    text-align: center;
    padding: 10px;
    background-color: #4CAF50; /* Vert pas trop foncé */
    color: white;
    position: relative;
    bottom: 0;
    width: 100%;
}

button {
    background-color: #FF9800; /* Orange pas trop foncé */
    color: white;
    border: none;
    padding: 10px 20px;
    border-radius: 5px;
    cursor: pointer;
    font-size: 1em;
}

button:hover {
    background-color: #F57C00; /* Orange un peu plus foncé */
}

.testimonial {
    font-style: italic;
    margin: 10px 0;
}

.gallery img {
    width: 100%;
    height: auto;
    border-radius: 8px;
    margin: 10px 0;
}

@media (max-width: 768px) {
    header {
        padding: 15px;
    }

    section {
        margin: 10px;
    }

    button {
        width: 100%;
    }
}