body {
  display: flex;
  flex-direction: column;
  align-items: center;
  font-family: Arial, sans-serif;
}

#score {
  font-size: 1.5em;
  margin-bottom: 20px;
}

#target {
  position: absolute;
  width: 100px;
  height: 100px;
  cursor: pointer;
}