body {
    margin: 0;
    padding: 0;
    font-family: Arial, sans-serif;
    background-image: url('background.jpg');
    background-size: cover;
    background-position: center;
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
}

.container {
    max-width: 800px;
    width: 100%;
}

header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 0;
}

.logo-container {
    margin-bottom: 20px;
}

nav ul {
    list-style: none;
    padding: 0;
}

nav ul li {
    display: inline;
    margin-right: 20px;
}

nav ul li a {
    text-decoration: none;
    color: #333;
}

#language-btn {
    background: none;
    border: none;
    cursor: pointer;
    margin-right: 20px;
}

#language-btn img {
    width: 30px;
    height: 30px;
}

.content-section {
    display: none;
    padding: 20px;
    background-color: rgba(255, 255, 255, 0.8);
}

footer {
    text-align: center;
    padding: 20px 0;
    background-color: rgba(0, 0, 0, 0.5);
    color: #fff;
}