App.vue

<template>
  <div id="app">
    <router-view class="view"></router-view>
    <router-view class="view" name="subject"></router-view>
    <router-view class="view" name="search"></router-view>
  </div>
</template>

<script>
export default {
  name: 'app'
}
</script>

<style lang="scss">

// Base setting and rest
html {
  font-size: 62.5%;
}

#app {
  max-width: 41.2rem;
  margin: 0 auto;
}

.has-header {
  margin-top: 4.8rem;
}

h2 {
  font-size: 1.68rem;
  font-weight: normal;
  color: #111;
}

ul, li, a, h2 {
  margin: 0;
  padding: 0;
}

li {
  list-style: none;
}

a {
  text-decoration: none;
}

// Common style
.header-bar {
  position: fixed;
  left: 0;
  right: 0;
  top: 0;
  z-index: 998;
  display: flex;
  align-items: center;
  height: 4.8rem;
  padding: 0 1.8rem;
  background: #fff;
  border-bottom: 0.1rem solid #f3f3f3;
}
</style>