CSS Element Full Rotation

/* rotation animation */
@-webkit-keyframes rotate {
  from { -webkit-transform:rotate(0deg); }
  to { -webkit-transform:rotate(360deg); }
}

@-moz-keyframes rotate {
  from { -moz-transform:rotate(0deg); }
  to { -moz-transform:rotate(360deg); }
}

@-ms-keyframes rotate {
  from { -ms-transform:rotate(0deg); }
  to { -ms-transform:rotate(360deg); }
}

@-o-keyframes rotate {
  from { -o-transform:rotate(0deg); }
  to { -o-transform:rotate(360deg); }
}

.rotating {
  -webkit-transform-origin: 50% 50%;
  -webkit-animation-name: rotate;
  -webkit-animation-duration: 1s;
  -webkit-animation-iteration-count: infinite;
  -webkit-animation-timing-function: linear;
  -moz-transform-origin: 50% 50%;
  -moz-animation-name: rotate;
  -moz-animation-duration: 1s;
  -moz-animation-iteration-count: infinite;
  -moz-animation-timing-function: linear;
  -ms-transform-origin: 50% 50%;
  -ms-animation-name: rotate;
  -ms-animation-duration: 1s;
  -ms-animation-iteration-count: infinite;
  -ms-animation-timing-function: linear;
  -o-transform-origin: 50% 50%;
  -o-animation-name: rotate;
  -o-animation-duration: 1s;
  -o-animation-iteration-count: infinite;
  -o-animation-timing-function: linear;
}