 .face.back {     -webkit-animation: BackRotate 0s linear infinite;     -webkit-animation-delay: 0s;     animation: BackRotate 0s linear infinite;     animation-delay: 0s; }  .face.front {     -webkit-animation: Rotate 0s linear infinite;     -webkit-animation-delay: 0s;     animation: Rotate 0s linear infinite;     animation-delay: 0s; }  