CSS3 animation

.btn-shake-hand{< br /> -webkit-animation: fingerHandle 1s ease infinite both;
 animation: fingerHandle 1s ease infinite both;
 }

.btn-shake-hot{
 -webkit-animation: free_download 0.5s linear alternate infinite;
 animation: free_download 0.5s linear alternate infinite;
}

/* button animation*/
 @- webkit-keyframes free_download {
 0% {
 -webkit-transform: scale(0.9);
 }
 100% {
 -webkit-transform: scale(1 );
 }
}

@keyframes free_download {
 0% {
 transform: scale(0.9);
 }

 100% {
 transform: scale(1);
 }
}
@keyframes fingerHandle {
 0% {
 transform: none;
 }
 70% {
 transform: scale3d(1.3, 1.3, 1.3);
 }
 100% {
 transform: none;< br /> }
}