body {
    font-family: Arial, sans-serif;
    max-width: 800px;
    margin: 0 auto;
    padding: 20px;
    background-color: #f0f0f0;
    color: #000;
}
h1 {
    color: #0066cc;
    text-align: center;
}
a {
    color: #0066cc;
    text-decoration: none;
}
a:hover {
    text-decoration: underline;
}
.menu {
    text-align: center;
    margin: 20px 0;
}
.footer {
    text-align: center;
    margin-top: 50px;
    font-size: 12px;
}
.contacts {
    text-align: center;
}
.error404 {
    text-align: center;
}