body {
  font-family: sans-serif;
  background-color: #f0f0f0;
  text-align: center;
}

h1 {
  margin-top: 20px;
  color: #00552e;
}

#gameContainer {
  display: flex;
  flex-direction: column;
  align-items: center;
  margin-top: 20px;
}

#puzzleCanvas {
  border: 2px solid #333;
  background-color: #fff;
  cursor: pointer;
}

#clearMessage {
  display: none;
  font-size: 24px;
  color: #00552e;
  margin-top: 20px;
}