<img class="image" src="http://i.stack.imgur.com/pC1Tv.jpg" alt="" width="120" height="120">

.image {
    position: absolute;
    top: 50%;
    left: 50%;
    width: 120px;
    height: 120px;
    margin:-60px 0 0 -60px;
    -webkit-animation:spin 4s linear infinite;
    -moz-animation:spin 4s linear infinite;
    animation:spin 4s linear infinite;
}
@-moz-keyframes spin { 100% { -moz-transform: rotate(360deg); } }
@-webkit-keyframes spin { 100% { -webkit-transform: rotate(360deg); } }
@keyframes spin { 100% { -webkit-transform: rotate(360deg); transform:rotate(360deg); } }

div {
  width: 80px;
  height: 80px;
  background-color: skyblue;
}

.rotated {
  transform: rotate(45deg); /* Equal to rotateZ(45deg) */
  background-color: pink;
}

div {
  position: absolute;
  left: 40px;
  top: 40px;
  width: 100px;
  height: 100px;
  background-color: lightgray;
}

.rotate {
  background-color: transparent;
  outline: 2px dashed;
  transform: rotate(45deg);
}

.rotate-translate {
  background-color: pink;
  transform: rotate(45deg) translateX(180px);
}

.translate-rotate {
  background-color: gold;
  transform: translateX(180px) rotate(45deg);
}

<div 
  class="rotating"
  style="width: 100px; height: 100px; line-height: 100px; text-align: center;" 
 >Rotate</div>