php/www/vue/src/App.vue

<template>
  <div id="app">
    <navTitle></navTitle>
    <div class="router-view">
      <router-view></router-view>
    </div>
    <navigation></navigation>
  </div>
</template>

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

<style>
  #app {
    font-family: 'Avenir', Helvetica, Arial, sans-serif;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    text-align: center;
    color: #2c3e50;
    background-color: #d3d3d3;
  }

  .router-view {
    position: absolute;
    overflow-y: auto;
    width: 100%;
    top: 6%;
    left: 0;
    right: 0;
    bottom: 46px;
    background-color: #d3d3d3;
  }
</style>