.dropdown-header-enter-active[data-v-e53ed79d],.dropdown-header-leave-active[data-v-e53ed79d]{transition:opacity .3s ease-in-out}.dropdown-header-enter-from[data-v-e53ed79d],.dropdown-header-leave-to[data-v-e53ed79d]{opacity:0}.dropdown-header-enter-to[data-v-e53ed79d],.dropdown-header-leave-from[data-v-e53ed79d]{opacity:1}