HTML Code:

<link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.1.0/css/all.css">

<div class="box">
    <ul>
      <li class="fb"><a href=""><i class="fab fa-facebook-f"></i></a><span>200</span></li>
      <li class="gp"><a href=""><i class="fab fa-google-plus-g"></i></a><span>310</span></li>
      <li class="tw"><a href=""><i class="fab fa-twitter"></i></a><span>780</span></li>
      <li class="yt"><a href=""><i class="fab fa-youtube"></i></a><span>827</span></li>
    </ul>
  </div>

CSS Code:

*{
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}
body{
  font-family: sans-serif;
  background-color: #f5f5f5;
}
.box{
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  background-color: #fff;
  width: 300px;
  border: 0 0 1px 0 rgba(0,0,0,0.2)
}
.box ul{
  width: 100%;
  margin: 0;
  padding: 0
}
.box ul li{
  float: left;
  list-style-type: none;
  width: 25%;
  text-align: center;
  height: 50px;
  line-height: 50px;
  position: relative;
}
.box ul li a{
  display: block;
  font-size: 26px;
  color: #fff;
  transition: .6s
}
.box ul li:hover a{
  transform: scale(0);
}
.box ul li span{
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  font-size: 0px;
  font-weight: bold;
  transition: .6s;
  color: #fff;
}
.box ul li:hover span{
  font-size: 26px;

}
.box ul li.fb{
  background-color: #3b5999;
}
.box ul li.tw{
  background-color: #55acee;
}
.box ul li.gp{
  background-color: #dd4b39;
}
.box ul li.yt{
  background-color: #cd201f;
}

Preview: