img {
    margin: 0px;
    border: 0px solid #eee;
 
    /*Transition*/
    -webkit-transition: all 0.5s ease;
    -moz-transition: all 0.5s ease;
    -o-transition: all 0.5s ease;
  }
  
img:hover {  
 
   /*Glow*/
  -webkit-box-shadow: 0px 0px 40px #666;
  -moz-box-shadow: 0px 0px 40px #666;
  box-shadow: 0px 0px 40px #666;
}