body{font-family:ms-gothic,sans-serif;line-height:1.5;margin:1rem;max-width:768px;max-width:fit-content;margin:auto}header{margin-bottom:2rem;text-align:center}footer{position:fixed;bottom:0;left:0;background:blue;border:1px solid #fff;border-bottom:none;padding:.25rem;margin-top:1rem;text-align:left}a{color:#00e;text-decoration:none}