body{line-height:1.6;font-size:18px}
        
        @media only screen and (min-width: 768px) {

            div.opener {
                position:relative;
                top: 40%;
                margin: 5% auto;

                max-width:600px;

            }
        }
        figcaption {font-size: small}
        img {
        width:100%;}
        h1{
        margin-bottom: 0;}
        
        div.joke{position:fixed;left: 2700px}div.joke::after{content: attr(if-you-can-see-this);}