#text {
  font-size: 200%;

  resize: none;
  position: fixed;
  border: none;
  outline: none;

  top:0;
  left:0;
  right:0;
  bottom:0;

  width: 100%;
  height: 95%;

  margin-left: 10px;
  margin-right: 10px;
  margin-top: 10px;
}