body {
  background: rgb(70,160,126);
  overflow: hidden;
}

#left-paddle, #right-paddle {
  background: white;
  position: absolute;
  width: 10px;
  height: 150px;
}

#left-paddle {
  left: 20px;
}

#right-paddle {
  right: 20px;
}

#net {
  background: white;
  position: absolute;
  top: 0px;
  width: 2px;
}

#ball {
  background: white;
  position: absolute;
  width: 25px;
  height: 25px;
  border-radius: 50%;
}

#left-score, #right-score {
  color: white;
  font-family: sans-serif;
  font-size: 4rem;
  position: absolute;
  top: 50px;
  width: 30px;
  height: 30px;
}