@keyframes wobble { 
  0%, 100% { transform: none; }
  15% { transform: translate3d(-25%, 0px, 0px) rotate3d(0, 0, 1, -5deg); }
  30% { transform: translate3d(20%, 0px, 0px) rotate3d(0, 0, 1, 3deg); }
  45% { transform: translate3d(-15%, 0px, 0px) rotate3d(0, 0, 1, -3deg); }
  60% { transform: translate3d(10%, 0px, 0px) rotate3d(0, 0, 1, 2deg); }
  75% { transform: translate3d(-5%, 0px, 0px) rotate3d(0, 0, 1, -1deg); }
}
.wobble { animation-name: wobble; }