body{margin:0;background:#000;font-family:sans-serif}a{color:#5af}content{width:90%;max-width:1000px;text-align:left}section{display:flex;justify-content:center;padding:3em 1.5em;background:#fff}section:nth-of-type(odd) content{text-align:center}section:nth-of-type(2n){padding:2em 1.5em;background:#235;color:#eee}section img{width:80%;max-width:500px}footer{display:flex;justify-content:center;padding:1em 1.5em;font-size:90%;color:#777}footer content{text-align:right}