@keyframes swing {
20% {
transform: rotate3d(0, 0, 1, 15deg);
}
40% {
transform: rotate3d(0, 0, 1, -10deg);
}
60% {
transform: rotate3d(0, 0, 1, 5deg);
}
80% {
transform: rotate3d(0, 0, 1, -5deg);
}
to {
transform: rotate3d(0, 0, 1, 0deg);
}
}
.swing {
transform-origin: top center;
animation-name: swing;
}