body {
    font-family: sans-serif;
    line-height: 1.6;
    margin: 0;
    padding: 0;
    background-color: #f4f4f4;
    color: #333;
}

header {
    background: #333;
    color: #fff;
    padding: 1rem 0;
    text-align: center;
}

header h1 {
    margin: 0;
}

nav ul {
    padding: 0;
    list-style: none;
    text-align: center;
    background: #444;
}

nav ul li {
    display: inline;
}

nav ul li a {
    color: #fff;
    padding: 0.5rem 1rem;
    text-decoration: none;
    display: inline-block;
}

nav ul li a:hover {
    background: #555;
}

main {
    padding: 1rem;
}

main section {
    margin-bottom: 1rem;
    padding: 1rem;
    background: #fff;
    border-radius: 5px;
}

footer {
    text-align: center;
    padding: 1rem;
    background: #333;
    color: #fff;
    position: relative; /* Changed from fixed to relative for simplicity */
    bottom: 0;
    width: 100%;
}