body {
  font-family: Arial, sans-serif;
  background-color: #f0f0f0;
  padding: 20px;
}

#blocklyDiv {
  margin-bottom: 20px;
}

#stage {
  margin-top: 20px;
  border: 2px solid #ccc;
  width: 200px;
  height: 200px;
  position: relative;
  background-color: #fff;
}

#sprite {
  width: 100px;
  position: absolute;
  top: 50px;
  left: 50px;
}