body {
  display: flex;
  flex-direction: column;
  align-items: center;
  font-family: sans-serif;
  background-color: #f0f0f0;
}

#game-container {
  display: flex;
  gap: 20px;
}

#tetris {
  border: 1px solid black;
  background-color: #fff;
}

#info {
  display: flex;
  flex-direction: column;
  align-items: center;
}

#next {
  border: 1px solid black;
  background-color: #fff;
}

#start-button {
  margin-top: 20px;
  padding: 10px 20px;
  font-size: 16px;
  cursor: pointer;
}