sphere 4

dabblet.css

/**sphere 4*/

body{
	height: 100%;
}

.container { 
	top:50%;
	margin:auto;
	margin-top: -100px;
	width: 200px;
	height: 200px;
	position: relative;
	perspective: 800;
}


.bg{
	width:inherit;
	height: inherit;
	box-shadow: 0 0 0 30px black;
	position: absolute;
	border-radius: 50%;
}

#card {
width: inherit;
  height: inherit;
  position: absolute;
  transform-style: preserve-3d;
  transition: transform 1s;
}

#card div{
  position: absolute;
  width: inherit;
  height: inherit;
  backface-visibility: hidden;
  border-radius: 50%;
}

#card .front {
  background: red;
}

#card .back {
	background: blue;
  transform: rotateY(180deg);
}

.container:hover #card {
  transform: rotateY(180deg); 
}

dabblet.html

<section class="container">
	<div class="bg"></div>
  	<div id="card">
    	<div class="front"></div>
    	<div class="back"></div>
  </div>
</section>

settings.json

{"view":"separate","fontsize":"80","seethrough":"","prefixfree":"1","page":"css"}