html{font-family:Arial,Helvetica,sans-serif;font-size:16px}div.content-main{max-width:750px;margin:auto}nav.top-nav{display:flex}nav.top-nav span.nav-next{margin-left:auto}a{color:#00f;text-decoration:none}a:hover{text-decoration:underline}h1,h4{font-size:inherit}h2{font-size:1.5rem}h1,h2,h4{text-align:center}div.joke-content{font-size:1.125rem}div.joke-content p{text-indent:1.25em}