:root{color:#213547;background-color:#fff;font-family:system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;font-weight:400;line-height:1.5}*{box-sizing:border-box;margin:0;padding:0}main{max-width:1280px;margin:0 auto;padding:2rem}h1{margin-bottom:1rem;font-size:2.5rem}