.icon-s-facebook {
  display: inline-block;
  background-image: url(../images/sprite.png);
  background-position: -43px 0px;
  width: 42px;
  height: 42px;
  overflow: hidden;
  text-indent: -999px;
}
.icon-s-instagramm {
  display: inline-block;
  background-image: url(../images/sprite.png);
  background-position: 0px -43px;
  width: 42px;
  height: 42px;
  overflow: hidden;
  text-indent: -999px;
}
.icon-s-lj {
  display: inline-block;
  background-image: url(../images/sprite.png);
  background-position: 0px 0px;
  width: 43px;
  height: 43px;
  overflow: hidden;
  text-indent: -999px;
}
.icon-s-vk {
  display: inline-block;
  background-image: url(../images/sprite.png);
  background-position: -42px -43px;
  width: 42px;
  height: 42px;
  overflow: hidden;
  text-indent: -999px;
}