.clientslider {
  list-style:none;
    padding:0px;
    margin:0px;
    position:absolute;
}

    .clientslider ul {
    list-style: none;
    padding:0px;
    
    }

.clientslider li {
   padding:2px;
   line-height: 0px;
   margin:0px;
    display: inline;
    }

 .clientslider li  img
{ border:1px solid #ccc;
}

 .thumbelina li img:hover
{
    border: 1px solid #aaa;
}