@keyframes shake{0%{transform:rotate(0deg)}10%{transform:rotate(-3deg)}20%{transform:rotate(2deg)}30%{transform:rotate(-2.5deg)}40%{transform:rotate(1.5deg)}50%{transform:rotate(-1.5deg)}60%{transform:rotate(1deg)}70%{transform:rotate(-1deg)}80%{transform:rotate(.5deg)}90%{transform:rotate(-.5deg)}to{transform:rotate(0deg)}}