canvas {
  background: #111;
  display: block;
  margin: 20px auto;
  border: 2px solid #444;
}
body {
  text-align: center;
  font-family: sans-serif;
  color: white;
  background-color: #000;
}
#scoreBoard {
  font-size: 18px;
  margin-top: 10px;
}
#easyModeBtn {
  margin-top: 10px;
  padding: 8px 16px;
  font-size: 16px;
  background-color: #333;
  color: #fff;
  border: 1px solid #fff;
}