*{box-sizing:border-box;margin:0;padding:0}html,body{width:100%;height:100%;font-family:Segoe UI,Tahoma,Geneva,Verdana,sans-serif}#app{margin:20px}#shortenButton{color:#000;text-align:center;cursor:pointer;background-color:#e2e6dd;border:1px solid #000;margin-top:10px;padding:10px 20px;font-size:16px;text-decoration:none;display:inline-block}