html{box-sizing:border-box;height:100%}*,:after,:before{box-sizing:inherit;margin:0;padding:0}body{margin:auto;max-width:56em;padding:2em;text-align:center}header{margin-bottom:1em}ul{display:grid;gap:2em;grid-template-columns:repeat(auto-fill,minmax(10em,1fr));list-style:none;padding:1em}