body {
  background-color: #b71c1c;
  display: flex;
  flex-direction: column;
  align-items: center;
  color: #fff;
  font-family: Arial, sans-serif;
  min-height: 100vh;
  margin: 0;
}

h1 {
  margin-top: 40px;
}

canvas {
  background-color: #f44336;
  box-shadow: 0 0 8px 2px #880000;
  margin: 20px 0;
}

#score {
  font-size: 1.3em;
  font-weight: bold;
}