body {
  margin: 0;
  font-family: sans-serif;
  background: #f0f0f0;
}

.container {
  display: flex;
  height: 100vh;
}

.board-container {
  width: 70%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  background: #ffffff;
  padding: 1rem;
}

.info-panel {
  width: 20%;
  height: 10%;
  padding: 1rem;
  box-sizing: border-box;
}


#tablero {
  border-collapse: collapse;
  margin: auto;
}

#tablero td {
  width: 180px;
  height: 180px;
  border: 1px solid #000;
  text-align: center;
  vertical-align: middle;
  padding: 0;
}

#tablero input[type="button"] {
  width: 100%;
  height: 100%;
  border: none;
  background-color: transparent;
  cursor: pointer;
}