Fun with CSS3 gradients, animation and 3d transforms.

dabblet.css

/**
 * Fun with CSS3 gradients, animation and 3d transforms.
 * Animation started with an example from @treehouse.
 */

/* Keyframes
------------------------------------------------------------------------------*/
@keyframes spin {
    0% { transform: rotateY(0); }
  100% { transform: rotateY(-360deg); }
}
@keyframes flip {
    0% { transform: rotateX(0deg); }
  100% { transform: rotateX(360deg); }
}

/* Container
------------------------------------------------------------------------------*/
html {
  background-color: #d5257b;
  background-image: linear-gradient(top, #d5257b, #52288d);
  min-height: 100%;
}
body {
  font-family: "Helvetica Neue", sans-serif;
  margin: 20% auto 0 auto;
  padding: 0;
  perspective: 1000;
  perspective-origin: 50% 75px;
  transition: perspective, 1s;
}
body:hover {
  perspective-origin: 50% -100px;
}

/* Boxes
------------------------------------------------------------------------------*/
ol, li {
  height: 150px;
  width: 150px;
}
ol {
  animation: spin 10s linear 1s infinite;
  color: #fff;
  font-size: 7em;
  margin: 0 auto;
  padding: 0;
  transform-style: preserve-3d; /* or "flat" */
}
li {
  backface-visibility: visible; /* or "hidden" */
  background: linear-gradient(rgba(0,0,0,0.6) 20%, rgba(0,0,0,0.9) 80%);
  border: solid 1px #000;
  border-radius: 5px;
  list-style: none;
  position: absolute;
  text-align: center;
  text-stroke: 2px #000; 
}
li:nth-child(1)  { transform: translateZ(300px); }
li:nth-child(2)  { transform: rotateY(36deg) translateZ(300px); }
li:nth-child(3)  { transform: rotateY(72deg) translateZ(300px); }
li:nth-child(4)  { transform: rotateY(108deg) translateZ(300px); }
li:nth-child(5)  { transform: rotateY(144deg) translateZ(300px); }
li:nth-child(6)  { transform: rotateY(180deg) translateZ(300px); }
li:nth-child(7)  { transform: rotateY(216deg) translateZ(300px); }
li:nth-child(8)  { transform: rotateY(252deg) translateZ(300px); }
li:nth-child(9)  { transform: rotateY(288deg) translateZ(300px); }
li:nth-child(10) { transform: rotateY(324deg) translateZ(300px); }

/* Numbers
------------------------------------------------------------------------------*/
span {
  display: block;
  animation: flip 1s ease 1;
}
li:nth-child(1) span  { animation-delay: 0s; }
li:nth-child(2) span  { animation-delay: 1s; }
li:nth-child(3) span  { animation-delay: 2s; }
li:nth-child(4) span  { animation-delay: 3s; }
li:nth-child(5) span  { animation-delay: 4s; }
li:nth-child(6) span  { animation-delay: 5s; }
li:nth-child(7) span  { animation-delay: 6s; }
li:nth-child(8) span  { animation-delay: 7s; }
li:nth-child(9) span  { animation-delay: 8s; }
li:nth-child(10) span { animation-delay: 9s; }

dabblet.html

<ol>
  <li><span>1</span></li>
  <li><span>2</span></li>
  <li><span>3</span></li>
  <li><span>4</span></li>
  <li><span>5</span></li>
  <li><span>6</span></li>
  <li><span>7</span></li>
  <li><span>8</span></li>
  <li><span>9</span></li>
  <li><span>10</span></li>
</ol>

settings.json

{"view":"split","prefixfree":"1","page":"css"}