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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    line-height: 1.6;
    color: #333;
    max-width: 960px;
    margin: 0 auto;
    padding: 20px;
}

nav {
    display: flex;
    gap: 20px;
    padding: 16px 0;
    border-bottom: 1px solid #eee;
    margin-bottom: 40px;
}

nav a {
    color: #333;
    text-decoration: none;
}

nav a:hover {
    text-decoration: underline;
}

h1 {
    margin-bottom: 16px;
}