/* Source:
 * http://37signals.com/svn/posts/2577-loading-spinner-animation-using-css-and-webkit
 * http://s3.amazonaws.com/37assets/svn/463-single_spinner.html
 */
div.spinner {
  position: relative;
  width: 54px;
  height: 54px;
  display: inline-block;
}

div.spinner div {
  width: 12%;
  height: 26%;
  background: #000;
  position: absolute;
  left: 44.5%;
  top: 37%;
  opacity: 0;
  -webkit-animation: fade 1s linear infinite;
  -webkit-border-radius: 50px;
  -webkit-box-shadow: 0 0 3px rgba(0,0,0,0.2);
}

div.spinner div.bar1 {-webkit-transform:rotate(0deg) translate(0, -142%); -webkit-animation-delay: 0s;}    
div.spinner div.bar2 {-webkit-transform:rotate(30deg) translate(0, -142%); -webkit-animation-delay: -0.9167s;}
div.spinner div.bar3 {-webkit-transform:rotate(60deg) translate(0, -142%); -webkit-animation-delay: -0.833s;}
div.spinner div.bar4 {-webkit-transform:rotate(90deg) translate(0, -142%); -webkit-animation-delay: -0.75s;}
div.spinner div.bar5 {-webkit-transform:rotate(120deg) translate(0, -142%); -webkit-animation-delay: -0.667s;}
div.spinner div.bar6 {-webkit-transform:rotate(150deg) translate(0, -142%); -webkit-animation-delay: -0.5833s;}
div.spinner div.bar7 {-webkit-transform:rotate(180deg) translate(0, -142%); -webkit-animation-delay: -0.5s;}
div.spinner div.bar8 {-webkit-transform:rotate(210deg) translate(0, -142%); -webkit-animation-delay: -0.41667s;}
div.spinner div.bar9 {-webkit-transform:rotate(240deg) translate(0, -142%); -webkit-animation-delay: -0.333s;}
div.spinner div.bar10 {-webkit-transform:rotate(270deg) translate(0, -142%); -webkit-animation-delay: -0.25s;}
div.spinner div.bar11 {-webkit-transform:rotate(300deg) translate(0, -142%); -webkit-animation-delay: -0.1667s;}
div.spinner div.bar12 {-webkit-transform:rotate(330deg) translate(0, -142%); -webkit-animation-delay: -0.0833s;}

@-webkit-keyframes fade {
  from {opacity: 1;}
  to {opacity: 0.25;}
}