button {
  font-size: 20px;
  padding: 10px;
}

.guess-letter {
  margin: 5px;
  width: 50px;
  height: 50px;
}

.target-letter {
  font-size: 50px;
  display: inline;
  margin: 10px;
}

#secret-word-container {
  margin-bottom: 20px;
}

#letters-container {
  width: 570px;
}