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HTML

              
                <span class="rate"><i>★</i><i>★</i><i>★</i><i>★</i><i>★</i></span>
              
            
!

CSS

              
                /* These styles are applied by default.
   They will also override the hover
   style for all stars to the right
   of the currently hovered star. */
.rate i, .rate i:hover ~ i {
  color: #222;
  text-shadow: none;
  transition: color 200ms,
              text-shadow 200ms;
  /* This will remove the delay when
     moving the cursor left or right
     within the set of stars. */
  transition-delay: 0;
}

/* This is the style that will be
   applied to all stars and then
   subsequently removed from the stars
   to the right of the one being
   hovered. */
.rate:hover i {
  color: #fc0;
  text-shadow: #fc0 0 0 20px;
}

/* Make the effect apply one star at a
   time. Limiting the selector to when
   .rate is hovered removes the effect
   without delay when cursor leaves
   the .rate area. */
.rate:hover i:nth-child(2) {
  transition-delay: 30ms;
}

.rate:hover i:nth-child(3) {
  transition-delay: 60ms;
}

.rate:hover i:nth-child(4) {
  transition-delay: 90ms;
}

.rate:hover i:nth-child(5) {
  transition-delay: 120ms;
}

/* Miscellaneous styles. */
.rate i {
  cursor: pointer;
  font-style: normal;
}

body {
  align-items: center;
  background: #000;
  display: flex;
  font-size: 48px;
  height: 100%;
  justify-content: center;
  margin: 0;
}

html {
  height: 100%;
}
              
            
!

JS

              
                
              
            
!
999px

Console