html, body{margin: 0;background-color: #2f4f30;color: white;}.titulo{text-align: center;background-color: black;color: white;padding: 20px;font-size: 25px;}.carta{width: 100px;position: relative;left: 50px;margin-left: -75px;}.tablero{margin: auto;width: 80%;height: 180px;padding-top: 10px;border:2px solid white;}.centrado{width: 100%;height: 100vh;display: flex;align-items: center;justify-content: center;flex-direction: column;}.ocultar{display: none;}