<div class="demo-content">
  <div class="box" id="with-velocity">    <span class="text">Velocity.js</span>
    <span class="icon ion ion-checkmark"></span>
  </div>
  <a href="#" class="play" id="play-velocity"><span class="ion ion-play"></span> Play</a>
</div>
body {
  background-color: #F5F7FA;
}
.demo-content {
 padding: 70px 20px;
}
.box {
  padding: 12px 12px;
  background-color: #fff;
  margin-bottom: 15px;
  margin-right: auto;
  margin-left: auto;
  max-width: 100px;
  text-align: center;
  font-family: "Roboto", Arial, sans-serif;
  border: 1px solid #656D78;
  color: #656D78;
  position: relative;
  box-shadow: 3px 3px 0 0 rgba(0,0,0,0.1);
}
.box .text {
  position: relative;
  z-index: 1;
  display: inline-block;
}
.box .icon {
  top: 0;
  left: 0;
  position: absolute;
  width: 100%;
  height: 100%;
  text-align: center;
  line-height: 45px;
  opacity: 0;
  font-size: 21px;
}
.play {
  color: #AAB2BD;
  font-family: "Roboto", Arial, sans-serif;
  font-size: 12px;
  text-transform: uppercase;
  text-decoration: none;
  display: block;
  width:50px;
  margin-bottom: 30px;
  border-radius: 30px;
  margin-right: auto;
  margin-left: auto;
}
.play:hover {
  color: #656D78;
}
.ion {
  margin-right: 5px;
}
var $div = $("#with-velocity");
var $text = $div.find('.text');
var $icon = $div.find('.icon');

function withVelocity() {
  $div.velocity({
    borderRadius: "25px",
    width: "45px",
    paddingLeft: "0",
    paddingRight: "0",
    backgroundColor: "#8CC152",
    color: "#fff",
    borderColor: "#8CC152",
    boxShadowX: "0",
    boxShadowY: "0"
  }, {
    duration: 350, 
    easing: "easeInQuad"
  });
  
  $text.velocity({
    scale: 0,
    opacity: 0
  }, {
    duration: 150, 
    easing: "easeInQuad"
  });
  
  $icon.velocity({
    opacity: 1
  }, {
    delay: 350,
    duration: 150, 
    easing: "easeInQuad"
  });
}

$("#play-velocity").on('click', function(){
  withVelocity();
});

External CSS

  1. https://fonts.googleapis.com/css?family=Roboto:400,500
  2. https://cdnjs.cloudflare.com/ajax/libs/ionicons/1.5.2/css/ionicons.min.css

External JavaScript

  1. https://cdnjs.cloudflare.com/ajax/libs/jquery/2.1.4/jquery.min.js
  2. https://cdnjs.cloudflare.com/ajax/libs/velocity/1.2.2/velocity.min.js