.star-rating {
  display: inline-block;
}

.star-rating input[type="radio"] {
  display: none;
}

.star-rating label {
  font-size: 30px;
  color: #ccc;
  cursor: pointer;
  margin:0px 5px;
  font-size: 50px;
}

.star-rating label:before {
  content: '★';
}

.star-rating input[type="radio"]:checked ~ label {
  color: #50037c;
}