* {
    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;
    background-color: #fff;
    padding: 2rem;
    max-width: 800px;
    margin: 0 auto;
}

header {
    margin-bottom: 3rem;
}

h1 {
    font-size: 2rem;
    font-weight: 400;
    color: #222;
}

.content {
    font-size: 1.1rem;
}

.content p {
    margin-bottom: 1rem;
}

@media (max-width: 600px) {
    body {
        padding: 1.5rem;
    }
    
    h1 {
        font-size: 1.5rem;
    }
    
    .content {
        font-size: 1rem;
    }
}