.back-top-enter-active[data-v-fb3ce0b7],.back-top-leave-active[data-v-fb3ce0b7]{transition:opacity .25s ease,transform .25s ease}.back-top-enter-from[data-v-fb3ce0b7],.back-top-leave-to[data-v-fb3ce0b7]{opacity:0;transform:translateY(12px)}