#puzzle {
  text-align: center;
  margin: auto;
}
#ganado {
  display: none;
  font-size: 32px;
  text-align: center;
  margin: auto;
  color: red;
}
body {
  background-color: #99FFFF;
}
#boton {
     background-color: #4CAF50;
     border: none;
     color: white;
     padding: 15px 32px;
     text-align: center;
     text-decoration: none;
     display: inline-block;
     font-size: 16px;
     margin: 4px 2px;
     cursor: pointer;
}