.u-share-phone,
.u-share-douban,
.u-share-renren,
.u-share-weibo {
  background: url(img/sprite/share.png) no-repeat 0 9999px;
}

.u-share-mo,
.u-share-ps {
  background: url(img/sprite/share_2x.png) no-repeat 0 9999px;
  background-size: 51px auto;
}

.u-icn {
  display: inline-block;
  background: url(img/sprite/icon.png) no-repeat 0 9999px;
}

.u-icn-at {
  width: 20px;
  height: 19px;
  background-position: 0px -0px;
}

.u-icn-face {
  width: 20px;
  height: 20px;
  background-position: 0px -29px;
}

.u-icn-like {
  width: 14px;
  height: 12px;
  background-position: -30px -0px;
}

.u-icn-like:hover {
  background-position: -30px -30px;
}

.u-share {
  width: 32px;
  height: 32px;
  display: inline-block;
}

.u-share-phone {
  background-position: 0px -100px;
}

.u-share-douban {
  background-position: -42px -100px;
}

.u-share-renren {
  background-position: -84px -100px;
}

.u-share-weibo {
  background-position: 0px -142px;
}

.u-share-mo {
  width: 51px;
  height: 45px;
  background-position: 0px -0px;
}

.u-share-ps {
  width: 20px;
  height: 20px;
  background-position: 0px -50px;
}

.u-icn2 {
  display: inline-block;
  background: url(img/sprite/icon_2x.png) no-repeat 0 9999px;
  background-size: 49px auto;
}

.u-icn2-ws {
  width: 25px;
  height: 23px;
  background-position: 0px -0px;
}

.u-icn2-cm {
  width: 18px;
  height: 18px;
  background-position: -30px -0px;
}