body {
    font-family: Arial, sans-serif;
    margin: 0;
    padding: 0;
    background-color: #f8f8f8;
    color: #333;
}

header {
    background-color: #4caf50;
    color: #fff;
    text-align: center;
    padding: 2rem 0;
}

header h1 {
    margin: 0;
    font-size: 2.5rem;
}

header p {
    margin: 0;
    font-size: 1.2rem;
    opacity: 0.8;
}

main {
    max-width: 800px;
    margin: 0 auto;
    padding: 2rem;
    background-color: #fff;
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.1);
}

h2 {
    margin-top: 0;
    color: #4caf50;
}

p {
    line-height: 1.6;
}

ol {
    list-style-type: decimal;
    padding-left: 2rem;
}

.section {
    margin-bottom: 2rem;
}