:root{--primary: hsl(218, 100%, 61%);--primary-dark: hsl(218, 100%, 41%);--background: hsl(218 100% 95% / 1)}body{font-family:Arial,sans-serif;margin:0;padding:0;background:var(--background)}main{padding:1rem;max-width:800px;margin:0 auto}h1{color:var(--primary);margin-top:30px}h2{margin-top:3rem}h3{font-style:italic}li{margin-bottom:.5rem}