<footer>
   <h3>Поделись с друзьями:</h3>
   <div class="sharing-container">
      <div onclick="ShareUpdate.fb()" data-target="fb" class="share-btn fb"></div>
      <div onclick="ShareUpdate.ok()" data-target="ok" class="share-btn ok"></div>
      <div onclick="ShareUpdate.vk()" data-target="vk" class="share-btn vk"></div>
   </div>
</footer>

@import url('https://fonts.googleapis.com/css?family=Oswald&subset=cyrillic');

@media screen and (max-width: 1400px) footer {
     bottom: 1.875rem;
}
footer {
     position: absolute;
     bottom: 3.125rem;
     right: 0;
     left: 0;
     margin-left: auto;
     margin-right: auto;
}
@media screen and (max-width: 1400px) footer h3 {
     position: relative;
     top: 1.5625rem;
}
@media screen and (max-width: 1768px) footer h3 {
     font-size: 30px;
     margin: .625rem auto;
}
footer h3 {
     text-shadow: 0 1px 0 rgba(0,0,0,.51);
     font-size: 32px;
     font-weight: 500;
     line-height: .88;
     letter-spacing: 1.3px;
     color: #f1f1f1;
     margin: 1.25rem auto;
}
footer h3 {
     font-family: 'Oswald', sans-serif;
}
footer h3 {
     text-align: center;
}
@media screen and (max-width: 1400px) footer .sharing-container {
     position: relative;
     top: .9375rem;
}
footer .sharing-container {
     text-align: center;
     margin: auto;
}
footer .sharing-container .share-btn.fb {
     width: 83px;
     height: 185px;
     background-image: url(/images/share/social/f@1x.png);
}
footer .sharing-container .share-btn.ok {
     width: 83px;
     height: 185px;
     background-image: url(/images/share/social/ok@1x.png);
}
footer .sharing-container .share-btn.vk {
     width: 83px;
     height: 185px;
     background-image: url(/images/share/social/vk@1x.png);
}
footer .sharing-container .share-btn:last-child {
     margin: 0 auto;
}
footer .sharing-container .share-btn {
     display: inline-block;
     background-repeat: no-repeat;
     background-position: 0 0;
     cursor: pointer;
     margin-right: 36px;
}
footer .sharing-container .share-btn:active {
     background-position: -166px 0;
}
footer .sharing-container .share-btn:hover {
     background-position: -83px 0;
}