body{
  background-color:rgb(240, 240, 236);
  text-align:center;
}
#input{
  margin-bottom:6px;
  width:200px;
  height:20px;
  border-width:2px;
  border-radius:0;
  border-color:lightgray;
  color:black;
  background-color:white;
}
#enter{
  margin-bottom:6px;
  color:black;
  width:70px;
  height:20px;
  background-color:lightgray;
  border-radius:0px;
  border-width:2px;
  border-color:gray;
}
#output{
  resize:none;
  width:200px;
  height:40px;
  background-color:white;
  color:black;
  border-radius:0px;
  border-width:2px;
  border-color:lightgray;
  font-size:20px;
}
hr{
  height:1px;
  background-color:gray;
  
}
h1{
  font-family:Arial;
  color:gray;
}