body{font-family:Arial,sans-serif;background-color:#434c5e;color:#e5e9f0}.container{position:relative;text-align:center;max-width:600px;margin:0 auto;padding:20px;border:1px solid #e5e9f0;border-radius:5px;background-color:#3b4252}button{margin:10px;background-color:#81a1c1;color:#e5e9f0;border:0;border-radius:10px;padding:10px 20px;cursor:pointer}.counter{position:absolute;top:0;right:0;padding:10px;background-color:transparent;color:#fff;border-radius:0 10px 0 0}