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HTML 

              
                <div id="full-stars-example">
    <div class="rating-group">
        <input class="rating__input rating__input--none" name="rating" id="rating-none" value="0" type="radio">
        <label aria-label="No rating" class="rating__label" for="rating-none"><i class="rating__icon rating__icon--none fa fa-ban"></i></label>
        <label aria-label="1 star" class="rating__label" for="rating-1"><i class="rating__icon rating__icon--star fa fa-star"></i></label>
        <input class="rating__input" name="rating" id="rating-1" value="1" type="radio">
        <label aria-label="2 stars" class="rating__label" for="rating-2"><i class="rating__icon rating__icon--star fa fa-star"></i></label>
        <input class="rating__input" name="rating" id="rating-2" value="2" type="radio">
        <label aria-label="3 stars" class="rating__label" for="rating-3"><i class="rating__icon rating__icon--star fa fa-star"></i></label>
        <input class="rating__input" name="rating" id="rating-3" value="3" type="radio" checked>
        <label aria-label="4 stars" class="rating__label" for="rating-4"><i class="rating__icon rating__icon--star fa fa-star"></i></label>
        <input class="rating__input" name="rating" id="rating-4" value="4" type="radio">
        <label aria-label="5 stars" class="rating__label" for="rating-5"><i class="rating__icon rating__icon--star fa fa-star"></i></label>
        <input class="rating__input" name="rating" id="rating-5" value="5" type="radio">
    </div>
  <p class="desc" style="margin-bottom: 2rem; font-family: sans-serif; font-size:0.9rem">Full stars<br/>'No rating' option</p>
</div>
<div id="half-stars-example">
    <div class="rating-group">
        <input class="rating__input rating__input--none" checked name="rating2" id="rating2-0" value="0" type="radio">
        <label aria-label="0 stars" class="rating__label" for="rating2-0">&nbsp;</label>
        <label aria-label="0.5 stars" class="rating__label rating__label--half" for="rating2-05"><i class="rating__icon rating__icon--star fa fa-star-half"></i></label>
        <input class="rating__input" name="rating2" id="rating2-05" value="0.5" type="radio">
        <label aria-label="1 star" class="rating__label" for="rating2-10"><i class="rating__icon rating__icon--star fa fa-star"></i></label>
        <input class="rating__input" name="rating2" id="rating2-10" value="1" type="radio">
        <label aria-label="1.5 stars" class="rating__label rating__label--half" for="rating2-15"><i class="rating__icon rating__icon--star fa fa-star-half"></i></label>
        <input class="rating__input" name="rating2" id="rating2-15" value="1.5" type="radio">
        <label aria-label="2 stars" class="rating__label" for="rating2-20"><i class="rating__icon rating__icon--star fa fa-star"></i></label>
        <input class="rating__input" name="rating2" id="rating2-20" value="2" type="radio">
        <label aria-label="2.5 stars" class="rating__label rating__label--half" for="rating2-25"><i class="rating__icon rating__icon--star fa fa-star-half"></i></label>
        <input class="rating__input" name="rating2" id="rating2-25" value="2.5" type="radio" checked>
        <label aria-label="3 stars" class="rating__label" for="rating2-30"><i class="rating__icon rating__icon--star fa fa-star"></i></label>
        <input class="rating__input" name="rating2" id="rating2-30" value="3" type="radio">
        <label aria-label="3.5 stars" class="rating__label rating__label--half" for="rating2-35"><i class="rating__icon rating__icon--star fa fa-star-half"></i></label>
        <input class="rating__input" name="rating2" id="rating2-35" value="3.5" type="radio">
        <label aria-label="4 stars" class="rating__label" for="rating2-40"><i class="rating__icon rating__icon--star fa fa-star"></i></label>
        <input class="rating__input" name="rating2" id="rating2-40" value="4" type="radio">
        <label aria-label="4.5 stars" class="rating__label rating__label--half" for="rating2-45"><i class="rating__icon rating__icon--star fa fa-star-half"></i></label>
        <input class="rating__input" name="rating2" id="rating2-45" value="4.5" type="radio">
        <label aria-label="5 stars" class="rating__label" for="rating2-50"><i class="rating__icon rating__icon--star fa fa-star"></i></label>
        <input class="rating__input" name="rating2" id="rating2-50" value="5" type="radio">
    </div>
  <p class="desc" style="margin-bottom: 2rem; font-family: sans-serif; font-size:0.9rem">Half stars<br/>
    Space on left side to select 0 stars</p>
</div>

<div id="full-stars-example-two">
    <div class="rating-group">
        <input disabled checked class="rating__input rating__input--none" name="rating3" id="rating3-none" value="0" type="radio">
        <label aria-label="1 star" class="rating__label" for="rating3-1"><i class="rating__icon rating__icon--star fa fa-star"></i></label>
        <input class="rating__input" name="rating3" id="rating3-1" value="1" type="radio">
        <label aria-label="2 stars" class="rating__label" for="rating3-2"><i class="rating__icon rating__icon--star fa fa-star"></i></label>
        <input class="rating__input" name="rating3" id="rating3-2" value="2" type="radio">
        <label aria-label="3 stars" class="rating__label" for="rating3-3"><i class="rating__icon rating__icon--star fa fa-star"></i></label>
        <input class="rating__input" name="rating3" id="rating3-3" value="3" type="radio">
        <label aria-label="4 stars" class="rating__label" for="rating3-4"><i class="rating__icon rating__icon--star fa fa-star"></i></label>
        <input class="rating__input" name="rating3" id="rating3-4" value="4" type="radio">
        <label aria-label="5 stars" class="rating__label" for="rating3-5"><i class="rating__icon rating__icon--star fa fa-star"></i></label>
        <input class="rating__input" name="rating3" id="rating3-5" value="5" type="radio">
    </div>
  <p class="desc" style="font-family: sans-serif; font-size:0.9rem">Full stars<br/>
    Must select a star value</p>
</div>
!

CSS 

              
                /*  
 *  Pure CSS star rating that works without reversing order
 *  of inputs
 *  -------------------------------------------------------
 *  NOTE: For the styling to work, there needs to be a radio
 *        input selected by default. There also needs to be a
 *        radio input before the first star, regardless of
 *        whether you offer a 'no rating' or 0 stars option
 *  
 *  This codepen uses FontAwesome icons
 */

#full-stars-example {

  /* use display:inline-flex to prevent whitespace issues. alternatively, you can put all the children of .rating-group on a single line */
  .rating-group {
    display: inline-flex;
  }
  
  /* make hover effect work properly in IE */
  .rating__icon {
    pointer-events: none;
  }
  
  /* hide radio inputs */
  .rating__input {
   position: absolute !important;
   left: -9999px !important;
  }

  /* set icon padding and size */
  .rating__label {
    cursor: pointer;
    padding: 0 0.1em;
    font-size: 2rem;
  }
  
  /* set default star color */
  .rating__icon--star {
    color: orange;
  }
  
  /* set color of none icon when unchecked */
  .rating__icon--none {
    color: #eee;
  }

  /* if none icon is checked, make it red */
  .rating__input--none:checked + .rating__label .rating__icon--none {
    color: red;
  }

  /* if any input is checked, make its following siblings grey */
  .rating__input:checked ~ .rating__label .rating__icon--star {
    color: #ddd;
  }

  /* make all stars orange on rating group hover */
  .rating-group:hover .rating__label .rating__icon--star {
    color: orange;
  }

  /* make hovered input's following siblings grey on hover */
  .rating__input:hover ~ .rating__label .rating__icon--star {
    color: #ddd;
  }
  
  /* make none icon grey on rating group hover */
  .rating-group:hover .rating__input--none:not(:hover) + .rating__label .rating__icon--none {
     color: #eee;
  }

  /* make none icon red on hover */
  .rating__input--none:hover + .rating__label .rating__icon--none {
    color: red;
  }
}

#half-stars-example {

  /* use display:inline-flex to prevent whitespace issues. alternatively, you can put all the children of .rating-group on a single line */
  .rating-group {
    display: inline-flex;
  }
  
  /* make hover effect work properly in IE */
  .rating__icon {
    pointer-events: none;
  }
  
  /* hide radio inputs */
  .rating__input {
   position: absolute !important;
   left: -9999px !important;
  }

  /* set icon padding and size */
  .rating__label {
    cursor: pointer;
    /* if you change the left/right padding, update the margin-right property of .rating__label--half as well. */
    padding: 0 0.1em;
    font-size: 2rem;
  }

  /* add padding and positioning to half star labels */
  .rating__label--half {
    padding-right: 0;
    margin-right: -0.6em;
    z-index: 2;
  }
  
  /* set default star color */
  .rating__icon--star {
    color: orange;
  }
  
  /* set color of none icon when unchecked */
  .rating__icon--none {
    color: #eee;
  }

  /* if none icon is checked, make it red */
  .rating__input--none:checked + .rating__label .rating__icon--none {
    color: red;
  }

  /* if any input is checked, make its following siblings grey */
  .rating__input:checked ~ .rating__label .rating__icon--star {
    color: #ddd;
  }
  
  /* make all stars orange on rating group hover */
  .rating-group:hover .rating__label .rating__icon--star,
  .rating-group:hover .rating__label--half .rating__icon--star {
    color: orange;
  }

  /* make hovered input's following siblings grey on hover */
  .rating__input:hover ~ .rating__label .rating__icon--star,
  .rating__input:hover ~ .rating__label--half .rating__icon--star {
    color: #ddd;
  }
  
  /* make none icon grey on rating group hover */
  .rating-group:hover .rating__input--none:not(:hover) + .rating__label .rating__icon--none {
     color: #eee;
  }

  /* make none icon red on hover */
  .rating__input--none:hover + .rating__label .rating__icon--none {
    color: red;
  }
}

#full-stars-example-two {

  /* use display:inline-flex to prevent whitespace issues. alternatively, you can put all the children of .rating-group on a single line */
  .rating-group {
    display: inline-flex;
  }
  
  /* make hover effect work properly in IE */
  .rating__icon {
    pointer-events: none;
  }
  
  /* hide radio inputs */
  .rating__input {
   position: absolute !important;
   left: -9999px !important;
  }
  
  /* hide 'none' input from screenreaders */
  .rating__input--none {
    display: none
  }

  /* set icon padding and size */
  .rating__label {
    cursor: pointer;
    padding: 0 0.1em;
    font-size: 2rem;
  }
  
  /* set default star color */
  .rating__icon--star {
    color: orange;
  }

  /* if any input is checked, make its following siblings grey */
  .rating__input:checked ~ .rating__label .rating__icon--star {
    color: #ddd;
  }
  
  /* make all stars orange on rating group hover */
  .rating-group:hover .rating__label .rating__icon--star {
    color: orange;
  }

  /* make hovered input's following siblings grey on hover */
  .rating__input:hover ~ .rating__label .rating__icon--star {
    color: #ddd;
  }
}


body {
  padding: 1rem;
  text-align: center;
}
!

JS
!
999px

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