body {
    font-family: 'Helvetica Neue', Arial, sans-serif;
    line-height: 1.6;
    color: #333;
    max-width: 800px;
    margin: 0 auto;
    padding: 2rem;
    background-color: #f4f4f4;
}

header {
    border-bottom: 2px solid #333;
    margin-bottom: 2rem;
}

h1 { 
    margin: 0; 
}

section {
    background: white;
    padding: 1.5rem;
    margin-bottom: 1rem;
    border-radius: 8px;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
}