body {
    font-family: system-ui, -apple-system, sans-serif;
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    margin: 0;
    background-color: #f5f5f5;
    color: #333;
}

h1 {
    font-size: 3rem;
    font-weight: 300;
}