@-webkit-keyframes gears_rotate {
  0% {
    -webkit-transform: rotate(0);
    -webkit-transform: rotate3d(0,0,1,0);
  }
  100% {
    -webkit-transform: rotate(360deg);
    -webkit-transform: rotate3d(0,0,1,360deg);
  }
}
@-moz-keyframes gears_rotate {
  0% {
    -moz-transform: rotate(0);
    -moz-transform: rotate3d(0,0,1,0);
  }
  100% {
    -moz-transform: rotate(360deg);
    -moz-transform: rotate3d(0,0,1,360deg);
  }
}
@-ms-keyframes gears_rotate {
  0% {
    -ms-transform: rotate(0);
    -ms-transform: rotate3d(0,0,1,0);
  }
  100% {
    -ms-transform: rotate(360deg);
    -ms-transform: rotate3d(0,0,1,360deg);
  }
}
@keyframes gears_rotate {
  0% {
    transform: rotate(0);
    transform: rotate3d(0,0,1,0);
  }
  100% {
    transform: rotate(360deg);
    transform: rotate3d(0,0,1,360deg);
  }
}

@-webkit-keyframes small_gears_rotate {
  0%   { 
    -webkit-transform: rotate(0);
    -webkit-transform: rotate3d(0,0,1,0);
  }
  100% { 
    -webkit-transform: rotate(-360deg);
    -webkit-transform: rotate3d(0,0,1,-360deg);
  }
}
@-moz-keyframes small_gears_rotate {
  0%   {
    -moz-transform: rotate(0);
    -moz-transform: rotate3d(0,0,1,0);
  }
  100% { 
    -moz-transform: rotate(-360deg);
    -moz-transform: rotate3d(0,0,1,-360deg);
  }
}
@keyframes small_gears_rotate {
  0%   { 
    transform: rotate(0);
    transform: rotate3d(0,0,1,0);
  }
  100% { 
    transform: rotate(-360deg);
    transform: rotate3d(0,0,1,-360deg);
  }
}
.gear {
  -webkit-transition: -webkit-transform .2s linear;
     -moz-transition:    -moz-transform .2s linear;
      -ms-transition:     -ms-transform .2s linear;
          transition:         transform .2s linear;
  -webkit-transform: rotate(0);
     -moz-transform: rotate(0);
      -ms-transform: rotate(0);
          transform: rotate(0);
  -webkit-transform-origin: 50% 50%;
     -moz-transform-origin: 50% 50%;
      -ms-transform-origin: 50% 50%;
          transform-origin: 50% 50%;
}
.gear-big {
  -webkit-transform-origin: 63px 108px;
     -moz-transform-origin: 63px 108px;
      -ms-transform-origin: 63px 108px;
          transform-origin: 63px 108px;
}
.gear-small {
  -webkit-transform-origin: 128px 47.5px;
     -moz-transform-origin: 128px 47.5px;
      -ms-transform-origin: 128px 47.5px;
          transform-origin: 128px 47.5px;
}
.gears .gear-big {
  -webkit-animation: gears_rotate 3s linear 0s infinite;
  -moz-animation: gears_rotate 3s linear 0s infinite;
  -ms-animation: gears_rotate 3s linear 0s infinite;
  -o-animation: gears_rotate 3s linear 0s infinite;
  animation: gears_rotate 9s linear 0s infinite;

}
.gears .gear-small {
  -webkit-animation: small_gears_rotate 2s linear 0s infinite;
  -moz-animation: small_gears_rotate 2s linear 0s infinite;
  -ms-animation: small_gears_rotate 2s linear 0s infinite;
  -o-animation: small_gears_rotate 2s linear 0s infinite;
  animation: small_gears_rotate 6s linear 0s infinite;
}