<section>
  <div class="button">
    <a href="https://twitter.com/bennettfeely" class="twitter-follow-button" data-show-count="false" data-size="large">Follow @bennettfeely</a>
    <script>!function(d,s,id){var js,fjs=d.getElementsByTagName(s)[0];if(!d.getElementById(id)){js=d.createElement(s);js.id=id;js.src="//platform.twitter.com/widgets.js";fjs.parentNode.insertBefore(js,fjs);}}(document,"script","twitter-wjs");</script>
  </div>
  <div class="cover">
    <div class="innie">
			<svg class="twitter-logo" height="10" viewBox="0 0 400 400" width="10" xmlns="http://www.w3.org/2000/svg"><path fill="white" d="M153.6 301.6c94.3 0 145.9-78.2 145.9-145.9 0-2.2 0-4.4-.1-6.6 10-7.2 18.7-16.3 25.6-26.6-9.2 4.1-19.1 6.8-29.5 8.1 10.6-6.3 18.7-16.4 22.6-28.4-9.9 5.9-20.9 10.1-32.6 12.4-9.4-10-22.7-16.2-37.4-16.2-28.3 0-51.3 23-51.3 51.3 0 4 .5 7.9 1.3 11.7-42.6-2.1-80.4-22.6-105.7-53.6-4.4 7.6-6.9 16.4-6.9 25.8 0 17.8 9.1 33.5 22.8 42.7-8.4-.3-16.3-2.6-23.2-6.4v.7c0 24.8 17.7 45.6 41.1 50.3-4.3 1.2-8.8 1.8-13.5 1.8-3.3 0-6.5-.3-9.6-.9 6.5 20.4 25.5 35.2 47.9 35.6-17.6 13.8-39.7 22-63.7 22-4.1 0-8.2-.2-12.2-.7 22.6 14.4 49.6 22.9 78.5 22.9"></path></svg>
		</div>
    <div class="spine"></div>
    <div class="outie">
			<svg class="twitter-logo" height="10" viewBox="0 0 400 400" width="10" xmlns="http://www.w3.org/2000/svg"><path fill="white" d="M153.6 301.6c94.3 0 145.9-78.2 145.9-145.9 0-2.2 0-4.4-.1-6.6 10-7.2 18.7-16.3 25.6-26.6-9.2 4.1-19.1 6.8-29.5 8.1 10.6-6.3 18.7-16.4 22.6-28.4-9.9 5.9-20.9 10.1-32.6 12.4-9.4-10-22.7-16.2-37.4-16.2-28.3 0-51.3 23-51.3 51.3 0 4 .5 7.9 1.3 11.7-42.6-2.1-80.4-22.6-105.7-53.6-4.4 7.6-6.9 16.4-6.9 25.8 0 17.8 9.1 33.5 22.8 42.7-8.4-.3-16.3-2.6-23.2-6.4v.7c0 24.8 17.7 45.6 41.1 50.3-4.3 1.2-8.8 1.8-13.5 1.8-3.3 0-6.5-.3-9.6-.9 6.5 20.4 25.5 35.2 47.9 35.6-17.6 13.8-39.7 22-63.7 22-4.1 0-8.2-.2-12.2-.7 22.6 14.4 49.6 22.9 78.5 22.9"></path></svg>
		</div>
</div>
  <div class="shadow"></div>
</section>

<small>Live version of Erik Deiner's <a target="_blank" href="http://dribbble.com/shots/457259-Twitter-Button-Concept">Twitter Button Concept</a> on Dribbble.</small>
section, section div {
  /* See it in slo-mo, you can change this */
  transition-duration: .6s;
}

* { box-sizing: border-box; }
html, body { height: 100%; }
body {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  background-image: -webkit-radial-gradient(center top, circle farthest-corner, #FFFFFF 0%, #D8DFE9 100%);
  background-image: radial-gradient(circle farthest-corner at center top, #FFFFFF 0%, #D8DFE9 100%);
  overflow: hidden;
}

section, .button { transition-timing-function: ease; }

section {
  display: inline-block;
  position: relative;
  padding: .375rem .375rem 0;
  height: 2.5rem;
  background: #A9ADB6;
  border-radius: .25rem;
  perspective: 300;
  box-shadow: 0 -1px 2px #fff, inset 0 1px 2px rgba(0,0,0,.2), inset 0 .25rem 1rem rgba(0,0,0,.1);
}


.button { opacity: 0; }

.cover {
  position: absolute;
  top: 0; right: 0; bottom: 0; left: 0;
  transform-origin: center bottom;
  transform-style: preserve-3d;
  font: 1.25em/2 "icon";
  color: white;
  text-align: center;
  pointer-events: none;
  z-index: 100;
}

.innie, .outie, .spine, .shadow { position: absolute; width: 100%; }

.innie, .outie {
  height: 100%;
  background-image: -webkit-linear-gradient(top, transparent 0%, rgba(0,0,0,.1) 100%);
  border-radius: .25rem;
}

svg {
	width: 40px;
	height: 40px;
	filter: drop-shadow(0 1px 2px rgba(0,0,0,.25))
}

.innie {
  background-color: #67E2FE;
  text-shadow: 0 -2px 4px rgba(0,0,0,.2);
}

.spine {
  top: .25rem;
  background: #20C7F3;
  height: .25rem;
  transform: rotateX(90deg);
  transform-origin: center top;
}

.shadow {
  top: 100%;
  left: 0;
  height: 3.5rem;
  transform-origin: center top;
  transform: rotateX(90deg);
  opacity: 0;
  z-index: 0;
  background-image: -webkit-linear-gradient(top, rgba(0,0,0,.6) 0%, transparent 100%);
  background-image: linear-gradient(to bottom, rgba(0,0,0,.6) 0%, transparent 100%);
  border-radius: .4rem;

}

.outie {
  background-color: #2EC8FA;
  transform: translateZ(.25rem);
  text-shadow: 0 2px 4px rgba(0,0,0,.2);
}

section:hover { background: #EBEFF2; }
section:hover .button { opacity: 1; }

section:hover .cover, section:hover .innie, section:hover .spine, section:hover .outie, section:hover .spine { transition-timing-function: cubic-bezier(.2,.7,.1,1.1); }

section:hover .cover { transform: rotateX(-120deg);  }

section:hover .innie { background-color: #3ADAFC; }
section:hover .spine { background-color: #52B1E0; }
section:hover .outie { background-color: #2174A0; color: rgba(255,255,255,0); }

section:hover .shadow { 
  opacity: 1;
  transform: rotateX(45deg) scale(.95);
}


small {
  font: .8rem/1 sans-serif;
  padding-top: 4rem;
  color: #777;
}
small a { color: #222; text-decoration: none; border-bottom: thin solid #ccc; }
small a:hover { border-bottom-color: #222; }

External CSS

This Pen doesn't use any external CSS resources.

External JavaScript

  1. //cdnjs.cloudflare.com/ajax/libs/jquery/2.1.3/jquery.min.js