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

header {
    text-align: center;
    padding: 20px;
}

.logo {
    max-width: 150px;
    height: auto;
}

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

nav ul li {
    margin: 0 15px;
}

nav ul li a {
    text-decoration: none;
    color: #fff;
    padding: 10px 15px;
    display: block;
}

nav ul li a:hover {
    background: #575757;
}

.banner {
    text-align: center;
    background: #f4f4f4;
    padding: 20px 0;
}

.banner-link {
    text-decoration: none;
    color: white;
    background: #007BFF;
    padding: 10px 20px;
    border-radius: 5px;
}

.banner-link:hover {
    background: #0056b3;
}

main {
    max-width: 800px;
    margin: 20px auto;
    text-align: justify;
    padding: 10px;
}

.page-image {
    width: 100%;
    height: auto;
    margin-bottom: 15px;
}

footer {
    background: #333;
    color: #fff;
    text-align: center;
    padding: 10px 0;
    position: relative;
}