* { margin: 0; padding: 0; box-sizing: border-box; }
body { font-family: system-ui, sans-serif; max-width: 800px; margin: 0 auto; padding: 2rem; }
nav { margin-bottom: 2rem; }
nav a { margin-right: 1rem; }

img { border: 1px solid #ccc; padding: 0.5rem; margin-bottom: 1rem; }