body {
    font-family: Arial, sans-serif;
    line-height: 1.6;
    margin: 0;
    padding: 0;
    background-color: #f9f9f9;
}

header {
    background-color: #4CAF50;
    color: white;
    padding: 10px 0;
    text-align: center;
}

nav ul {
    list-style: none;
    padding: 0;
    display: flex;
    justify-content: center;
    background-color: #333;
    margin: 0;
}

nav ul li {
    margin: 0 15px;
}

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

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

section {
    padding: 20px;
    margin: 20px;
    background-color: white;
    border: 1px solid #ddd;
    border-radius: 5px;
}

footer {
    text-align: center;
    padding: 10px;
    background-color: #333;
    color: white;
    position: relative;
}

#backToTop {
    position: absolute;
    top: -10px;
    right: 10px;
    padding: 5px 10px;
    background-color: #007BFF;
    color: white;
    border: none;
    border-radius: 5px;
    cursor: pointer;
}

#backToTop:hover {
    background-color: #0056b3;
}




/* Mantém o mesmo estilo do exemplo anterior */
.language-switch {
    position: absolute;
    top: 10px;
    right: 10px;
    padding: 10px;
    background-color: #007BFF;
    color: white;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    font-size: 14px;
}

.language-switch:hover {
    background-color: #0056b3;
}