<h1>Pure CSS Star Rating Widget</h1>
<fieldset class="rating">
    <input type="radio" id="star5" name="rating" value="5" /><label class = "full" for="star5" title="Awesome - 5 stars"></label>
    <input type="radio" id="star4half" name="rating" value="4 and a half" /><label class="half" for="star4half" title="Pretty good - 4.5 stars"></label>
    <input type="radio" id="star4" name="rating" value="4" /><label class = "full" for="star4" title="Pretty good - 4 stars"></label>
    <input type="radio" id="star3half" name="rating" value="3 and a half" /><label class="half" for="star3half" title="Meh - 3.5 stars"></label>
    <input type="radio" id="star3" name="rating" value="3" /><label class = "full" for="star3" title="Meh - 3 stars"></label>
    <input type="radio" id="star2half" name="rating" value="2 and a half" /><label class="half" for="star2half" title="Kinda bad - 2.5 stars"></label>
    <input type="radio" id="star2" name="rating" value="2" /><label class = "full" for="star2" title="Kinda bad - 2 stars"></label>
    <input type="radio" id="star1half" name="rating" value="1 and a half" /><label class="half" for="star1half" title="Meh - 1.5 stars"></label>
    <input type="radio" id="star1" name="rating" value="1" /><label class = "full" for="star1" title="Sucks big time - 1 star"></label>
    <input type="radio" id="starhalf" name="rating" value="half" /><label class="half" for="starhalf" title="Sucks big time - 0.5 stars"></label>
</fieldset>
@import url(//netdna.bootstrapcdn.com/font-awesome/3.2.1/css/font-awesome.css);

fieldset, label { margin: 0; padding: 0; }
body{ width: 100vw; height: 100vh; display: flex; flex-direction: column; justify-content: center;align-items: center;}
h1 { font-size: 1.5em; margin: 10px; }

/****** Style Star Rating Widget *****/

.rating { 
  border: none;
  float: left;
}

.rating > input { display: none; } 
.rating > label:before { 
  margin: 5px;
  font-size: 1.25em;
  font-family: FontAwesome;
  display: inline-block;
  content: "\f005";
}

.rating > .half:before { 
  content: "\f089";
  position: absolute;
}

.rating > label { 
  color: #ddd; 
 float: right; 
}

/***** CSS Magic to Highlight Stars on Hover *****/

.rating > input:checked ~ label, /* show gold star when clicked */
.rating:not(:checked) > label:hover, /* hover current star */
.rating:not(:checked) > label:hover ~ label { color: #FFD700;  } /* hover previous stars in list */

.rating > input:checked + label:hover, /* hover current star when changing rating */
.rating > input:checked ~ label:hover,
.rating > label:hover ~ input:checked ~ label, /* lighten current selection */
.rating > input:checked ~ label:hover ~ label { color: #FFED85;  } 

External CSS

This Pen doesn't use any external CSS resources.

External JavaScript

  1. https://cdnjs.cloudflare.com/ajax/libs/jquery/2.1.3/jquery.min.js