.container{max-width:800px;margin:0 auto;text-align:center;font-family:Open Sans,sans-serif}h1{font-size:3em}#joke{font-size:1.5em;margin:2em 0;color:#000;font-family:Open Sans,sans-serif}button{background-color:#7DEAF1;color:#000;padding:1em 2em;border-radius:0;font-size:1.2em;cursor:pointer;font-family:Open Sans,sans-serif}