/* Reset some basic elements */
body, h1, h2, p {
    margin: 0;
    padding: 0;
}

body {
    font-family: Arial, sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: #f4f4f4;
}

header {
    background-color: #333;
    color: #fff;
    padding: 20px 0;
    text-align: center;
}

header nav ul {
    list-style: none;
}

header nav ul li {
    display: inline;
    margin-right: 10px;
}

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

main {
    width: 80%;
    margin: 20px auto;
    background: #fff;
    padding: 20px;
    box-shadow: 0 0 10px rgba(0,0,0,0.1);
}

article {
    margin-bottom: 20px;
}

article h2 {
    color: #333;
}

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

footer p {
    margin: 0;
}