body {
  background: #181c27;
  color: #fff;
  font-family: 'Pretendard', sans-serif;
  text-align: center;
}
#game {
  display: flex;
  justify-content: center;
  align-items: flex-start;
  gap: 30px;
  margin-top: 30px;
}
canvas {
  background: #222;
  border-radius: 8px;
  box-shadow: 0 0 12px #111;
}
#next-block {
  margin-left: 10px;
}
button {
  margin-top: 15px;
  padding: 8px 20px;
  border: none;
  background: #49e;
  color: #fff;
  font-size: 16px;
  border-radius: 8px;
  cursor: pointer;
}
button:hover {
  background: #36b;
}