body { margin: 0; padding: 0; background: #000001; color: #37ffad; font-family: monospace; } body main article { max-width: 42em; margin: auto; } body section { background-color: lawngreen; } @media screen and (max-width: 600px) { body main { margin: 0 5% 0 5%; } } @media screen and (min-width: 600px) { body main { margin: 0 20% 0 20%; } } @media screen and (min-width: 900px) { body main { margin: 0 25% 0 25%; } } header { background-color: yellow; } /*# sourceMappingURL=style.css.map */