.ee {
  text-align:center;
  color:white;
  background-color:black;
  border:3px green solid;
  height:25px;
  width:200px;
  font-size:20px;
  margin:auto;
}

.oo {
  margin:30px auto auto 50px;
  border:3px green solid;
  background-color:black;
  color:white;
  height:500px;
  width:600px;
}