body {
    font-family: Arial, sans-serif;
    margin: 0;
    padding: 0;
    background-color: #f5f5f5;
}

header {
    background-color: #333;
    color: #fff;
    padding: 1em 0;
}

nav ul {
    list-style-type: none;
    padding: 0;
}

nav ul li {
    display: inline;
    margin: 0 10px;
}

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

main {
    padding: 20px;
    background-color: #fff;
}

section#services {
    max-width: 800px;
    margin: 0 auto;
}

section#services h1 {
    text-align: center;
    margin-bottom: 20px;
}

.article.service {
    margin-bottom: 30px;
    padding: 20px;
    border: 1px solid #ccc;
    border-radius: 4px;
    background-color: #fafafa;
}

.article.service h2 {
    margin-top: 0;
}

.article.service p {
    margin-bottom: 15px;
}

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