qn-web/src/App.vue

<template>
  <div id="app">
    <transition name="fade">
      <!-- <router-link to="/"></router-link> -->
      <router-view />
    </transition>
  </div>
</template>
<script>
</script>
<style lang="less">
::-webkit-scrollbar {
  -webkit-appearance: none;
  width: 6px;
  height: 6px;
}
::-webkit-scrollbar-track {
  background: rgba(0, 0, 0, 0.1);
  border-radius: 0;
}
::-webkit-scrollbar-thumb {
  cursor: pointer;
  border-radius: 5px;
  background: rgba(0, 0, 0, 0.15);
  transition: color 0.2s ease;
}
::-webkit-scrollbar-thumb:hover {
  background: rgba(0, 0, 0, 0.3);
}

#app {
  .fade-enter-active,
  .fade-leave-avtive {
    transition: opacity 2s;
  }
  .fade-enter,
  .fade-leave-to {
    opacity: 0;
  }
}
</style>