body {
    font-family: 'Helvetica Neue', Arial, sans-serif;
    line-height: 1.8;
    margin: 0 auto;
    max-width: 800px;
    padding: 2rem;
    background: #fff;
    color: #333;
}

header {
    text-align: center;
    margin-bottom: 4rem;
}

header h1 {
    font-size: 2rem;
    margin: 0;
    font-weight: 300;
}

header p {
    margin: 0.5rem 0 0;
    font-size: 1.1rem;
    color: #777;
}

main {
    padding: 0;
}

#content {
    padding: 0;
}

#content h1, #content h2, #content h3 {
    border-bottom: 1px solid #eee;
    padding-bottom: 0.5rem;
    margin-top: 2.5rem;
    font-weight: 400;
}

#content h1 {
    font-size: 1.8rem;
}

#content h2 {
    font-size: 1.5rem;
}

#content h3 {
    font-size: 1.2rem;
}

#content ul {
    padding-left: 20px;
    list-style-type: circle;
}

#content li {
    margin-bottom: 0.5rem;
}

#content a {
    color: #0077cc;
    text-decoration: none;
}

#content a:hover {
    text-decoration: underline;
}

#content p {
    margin: 1rem 0;
}

#content hr {
    border: 0;
    border-top: 1px solid #eee;
    margin: 3rem 0;
}

footer {
    text-align: center;
    padding: 2rem 0;
    margin-top: 4rem;
    font-size: 0.9rem;
    color: #999;
}