html, body { height: 100%; width: 100%; margin: 0; } body { z-index: 1; background-position: center; background-attachment: fixed; } .github-corner { opacity: 0.3; } .github-corner:hover { opacity: 1; } #wrapper { height: 100%; display: grid; } .itemlist { display: inline-grid; grid-template-columns: repeat(2, 1fr); margin: auto; } @media only screen and (min-width: 600px) { .itemlist { grid-template-columns: repeat(3, 1fr); } } @media only screen and (min-width: 800px) { .itemlist { grid-template-columns: repeat(6, 1fr); } } .itemlist { border-radius: 6px; background-color: rgba(0, 0, 0, .4); font-size: 4em; } .itemlist>* { padding: 15px; margin: 0 auto; } /* link colors */ .itemlist a { color: #fff; } .itemlist a:hover { color: #c4c4c4; }