.topbar-enter-active[data-v-569d153c],.topbar-leave-active[data-v-569d153c]{max-height:80px;overflow:hidden;transition:max-height .3s ease,opacity .3s ease}.topbar-enter-from[data-v-569d153c],.topbar-leave-to[data-v-569d153c]{max-height:0;opacity:0}.back-to-top-enter-active[data-v-472e358b],.back-to-top-leave-active[data-v-472e358b]{transition:opacity .2s ease,transform .2s ease}.back-to-top-enter-from[data-v-472e358b],.back-to-top-leave-to[data-v-472e358b]{opacity:0;transform:translateY(8px)}