button{background-color:#008f53;border:0;color:#fff;padding:14px 14px;text-align:center;font-size:16px;margin:2px 2px;width:100px}.counter{color:#008f53;font-size:48px;text-align:center}.footer{text-align:center;font-size:12px}.panel{display:flex;justify-content:center}