article footer  .post-like{
    margin-top:1em
}
 
article footer .like{
    background:url(images/icons.png) no-repeat;
    width: 15px;
    height: 16px;
    display: block;
    float:left;
    margin-right: 4px;
    -moz-transition: all 0.2s ease-out 0.1s;
    -webkit-transition: all 0.2s ease-out 0.1s;
    -o-transition: all 0.2s ease-out 0.1s
}
 
article footer .post-like a:hover .like{
    background-position:-16px 0;
}
 
article footer .voted .like, article footer .post-like.alreadyvoted{
    background-position:-32px 0;
}