body {
    font-family: Arial, sans-serif;
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    color: #333;
}

header {
    background: white;
    padding: 1em 0;
    border-bottom: 1px solid #ddd;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

header .logo h1 {
    margin: 0;
    padding-left: 20px;
    font-size: 1.5em;
    color: #28a745;
}

header nav ul {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
}

header nav ul li {
    margin-right: 20px;
}

header nav ul li a {
    color: #333;
    text-decoration: none;
    font-size: 1em;
}

main {
    padding: 2em 20px;
}

main h2 {
    font-size: 1.8em;
    margin-bottom: 0.5em;
}

main p {
    font-size: 1em;
    line-height: 1.6;
}

footer {
    background: white;
    padding: 1em 0;
    border-top: 1px solid #ddd;
    text-align: center;
}

footer p {
    margin: 0;
    font-size: 0.9em;
}

footer p a {
    color: #333;
    text-decoration: none;
    margin: 0 5px;
}