#gameArea {
  width: 50vw;
  height: 50vh;
  border: 1px solid #444444;
  position: relative;
  background-color: #111111;
  overflow: hidden;
  margin: 0 auto;
}

#target {
  width: 50px;
  height: 50px;
  border-radius: 50%;
  position: absolute;
  cursor: pointer;
  transition: background-color 0.2s;
}

#info {
  margin-top: 20px;
  text-align: center;
}