[Dilettante_Pro]

Экстракт из звездочек

<style>
.cont:hover .rating  ~ div{
     opacity: 1
  }
.cont:hover div:hover ~ div, .rating ~ div{
     opacity: .2
  }
.cont:hover {
     opacity: 1
}
.cont {
     opacity: .2
}
div {display:inline-block;
height:100px;
width:100px;
background:black;
}
</style>
<section class='cont'>
   <div></div>
   <div></div>
   <div></div>
   <div></div>
   <div></div>
</section>