.copyright {
    line-height: 42px;
  }
  .footer-esh {
    background: url(/assets/images/footer-sprite.png) 0 -57px !important;           /* grey-white */
    /*background: url(../img/footer-sprite.png) 0 -57px !important;*/       /* grey-black */
    display: inline-block !important;
    position: relative !important;
    width: 79px !important;
    height: 18px !important;
    top: 5px !important;
  }
  .footer-esh span {
    position: absolute;
    top: 0;
    left: 0;
    bottom: 0;
    right: 0;
    background: url(/assets/images/footer-sprite.png) no-repeat 0 -38px;          /* orange-white hover */
    /*background: url(../img/footer-sprite.png) no-repeat no-repeat 0 -38px;*/ /* orange-black hover */
    opacity: 0;
    -webkit-transition: opacity 0.5s;
    -moz-transition: opacity 0.5s;
    -o-transition: opacity 0.5s;
  }
  .footer-esh:hover span {
    opacity: 1;
  }