A CodePen by Abdur Jabbar. Facebook widget - Inspired by a dribble by Erik Deiner. http://dribbble.com/shots/363401-Facebook-button-concept

index.html

<div>47k fans<img src="http://blogs-images.forbes.com/jonbruner/files/2011/07/facebook_logo.jpg" /><img src="http://blogs-images.forbes.com/jonbruner/files/2011/07/facebook_logo.jpg" /></div>

script.js

/*Inspired by a dribbble by Erik Deiner
http://dribbble.com/shots/363401-Facebook-button-concept
*/

style.css

body {
  perspective: 500px;
  background-image: linear-gradient(top, rgba(59,89,182,0.2), transparent), url(http://www.pixeden.com/media/k2/galleries/165/001-subtle-light-pattern-background-texture-vol5.jpg);
  background-repeat: no-repeat, repeat;
}

div {
  margin-top: 50px;
  padding-top: 20px;
  margin-left: auto;
  margin-right: auto;
  font-size: 2em;
  background-image: linear-gradient(top, rgba(0,0,0,0.5), transparent 80%);
  background-repeat: repeat-x;
  background-size: 15%;
  color: rgb(59,89,182);
  text-align: center;
  width: 200px;
  height: 50px;
  box-shadow: inset 0 0 5px 0 black;
  animation: shadow-up 1s ease-out;
}

img {
  display: inline;
  position: relative;
  width: 200px;
  height: 75px;
  
}

img:first-of-type {
  bottom: 62px;
  opacity: 1;
  transition: all 1s linear;
  transform-origin: right bottom;
  z-index: 1;
  backface-visibility: hidden;
}

img:last-of-type {
  bottom: 70px;
  transform-origin: center 0;
  transform: rotateX(180deg);
  transition: all 1s linear;
}

img:first-of-type:hover, div:hover > img:first-of-type {
  transform: rotateX(-180deg);
}

img:last-of-type:hover, div:hover > img:last-of-type {
  transform: rotateX(0deg) translateY(-2px);
}

div:hover {
  animation: shadow-down 1s ease-in;
}

@-webkit-keyframes shadow-down {
  from{box-shadow:inset 0 0 5px 0 black, 0 0px 0 -5px rgba(0,0,0,0.2);}
  to{box-shadow:inset 0 0 5px 0 black, 0 75px 25px -5px rgba(0,0,0,1);}
}

@-webkit-keyframes shadow-up {
  to{box-shadow:inset 0 0 5px 0 black, 0 0px 0 -5px rgba(0,0,0,0.2);}
  from{box-shadow:inset 0 0 5px 0 black, 0 75px 25px -5px rgba(0,0,0,1);}
}