/* lastcss.css */

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

#banner {
    background-color: #f4f4f4;
    text-align: center;
    padding: 1em 0;
}

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

header nav a {
    color: #fff;
    margin: 0 10px;
    text-decoration: none;
}

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

#content {
    padding: 20px;
}

#sidebar {
    background: #f4f4f4;
    padding: 20px;
    margin: 20px 0;
}

footer {
    background: #333;
    color: #fff;
    text-align: center;
    padding: 10px 0;
    margin-top: 20px;
}