body { margin: 0; padding: 0; } header h1 { padding: 1rem 0; } h2 { margin-top: 3rem; } .twitter-timeline { margin-top: 1rem; } .ribbon { margin-top: 3rem; margin-bottom: 3rem; } @media (min-width: 40rem) { body { min-width: 700px; } header { padding: 0 5rem; } section, footer { padding: 1rem 5rem; } } @media (min-width: 64rem) { body { min-width: 800px; } }