.fbRounded {
  position: relative;
  display: block;
  float: left;
  width: 50px;
  height: 50px;
  overflow: hidden;
  margin: 0px 5px 0px 0px;
  
  background-color: #C4CDE0;
}

.fbRoundedSprite {
  position: absolute;
  left: 0px;
  top: 0px;
}