zoro-cli/lib/plugins/config-web/template/src/style/transition/slide-in-down-out-up.css

https://github.com/vuejs/vue-cli

.slide-in-up-out-down-enter-active,
.slide-in-up-out-down-leave-active {
  transition: all 0.25s ease-in-out;
}

.slide-in-up-out-down-enter,
.slide-in-up-out-down-leave-to {
  transform: translate3d(0, -100%, 0);
  visibility: visible;
}