* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    line-height: 1.6;
    color: #333;
}

header {
    padding: 2rem;
    text-align: center;
}

main {
    max-width: 1200px;
    margin: 0 auto;
    padding: 2rem;
}

footer {
    text-align: center;
    padding: 2rem;
    margin-top: 4rem;
    border-top: 1px solid #eee;
}