.App{padding:20px;max-width:600px;text-align:center;margin:auto}.App>section{background-color:#ececec;border:1px solid #ececec;padding:20px}.App>section:first-of-type{margin-bottom:20px}.App>section button{padding:10px 15px;margin:0 2px;border:none;font-size:1.2rem;border-radius:5px;background-color:#fff;cursor:pointer}.App>section button:hover{background-color:#ff0}