body
{
  background-color: slategrey;
}


#inputContainer {
  position: fixed;
  top: 50%;
  left: 25%;
  transform: translate(-50%, -50%);
  background-color: darkgrey;
  border-radius: 5%;
  padding: 20px;
}

#outputContainer {
  position: fixed;
  top: 50%;
  right: 0%;
  transform: translate(-50%, -50%);
  background-color: darkgrey;
  border-radius: 5%;
  padding: 20px;
}