#font-input {
  border: 2px solid #000;
  border-radius: 5px;
  padding: 5px 7px;
}

#font-btn {
  padding: 5px 7px;
  border: 2px solid #000;
  border-radius: 5px;
  background-color: #000;
  color: #fff;
}

#font-btn:hover {
  background-color: white;
  color: black;
  cursor: pointer;
} 

#processed-css {
  margin-top: 30px;
  padding: 10px;
  width: 100%;
  height: 100%;
  min-height: 500px;
  border-radius: 5px;
  border: 2px solid #000;
}