body{font-family:Arial;line-height:1.5;margin:2em auto;max-width:800px;padding:1em}header{margin-bottom:1rem}nav ul{padding-left:10px}nav li{display:inline-block;margin-left:5px;margin-right:5px;padding:5px;border:1px solid #e6e6e6;border-radius:5px;background-color:#f2f2f2}footer{border-top:1px solid;margin-top:1rem}a:link{color:#2a7bde;text-decoration:none}a:visited{color:#12488b;text-decoration:none}main img{width:100%;border-radius:5px}code{display:block;font-family:monospace;font-size:14px;border:1px solid #e6e6e6;border-radius:5px;background-color:#f2f2f2;padding:8pt;overflow:auto;margin:1.2em}