body {
  margin: 0;
  overflow: hidden;
  background-color: #87ceeb;
  font-family: Arial, sans-serif;
}

#gameCanvas {
  display: block;
  background-color: #87ceeb;
  margin: 0;
  touch-action: none;
}

#score, #lives {
  position: absolute;
  font-size: 20px;
  color: #fff;
  font-weight: bold;
  text-shadow: 1px 1px 2px #000;
}

#score {
  top: 10px;
  left: 10px;
}

#lives {
  top: 10px;
  right: 10px;
}