html {
  font-family: sans-serif;
  height: 2000px;
  width: 4000px;
}

p {
  margin: 0;
}

#instructions {
  position: relative;
  top: 90px;
}

#output {
  position: fixed;
  top: 10px;
  left: 10px;
  border: solid 1px green;
  background: lime;
  padding: 5px;
}