app.vue

<template>
  <header>
    <nav>
      <NuxtLink to="/">HOME</NuxtLink> |
      <NuxtLink to="/service">Service</NuxtLink> |
      <NuxtLink to="/element">Element</NuxtLink> |
      <NuxtLink to="/user">User</NuxtLink>
    </nav>
  </header>
  <div>
    <NuxtLayout>
      <NuxtPage/>
    </NuxtLayout>
  </div>
</template>

<style>
header {
  margin: 0 auto;
  display: flex;
  justify-content: center;
  align-items: center;
  text-align: center;

  font-family:
    'Quicksand',
    'Source Sans Pro',
    -apple-system,
    BlinkMacSystemFont,
    'Segoe UI',
    Roboto,
    'Helvetica Neue',
    Arial,
    sans-serif;
  font-weight: 300;
  font-size: 30px;
  color: #35495e;
  letter-spacing: 1px;
}

.container {
  margin: 0 auto;
  min-height: 70vh;
  display: flex;
  justify-content: center;
  align-items: center;
  text-align: center;
}

.element {
  justify-content: center;
  align-items: center;
  text-align: center;
}

.title {
  font-family:
    'Quicksand',
    'Source Sans Pro',
    -apple-system,
    BlinkMacSystemFont,
    'Segoe UI',
    Roboto,
    'Helvetica Neue',
    Arial,
    sans-serif;
  display: block;
  font-weight: 300;
  font-size: 100px;
  color: #35495e;
  letter-spacing: 1px;
}

.subtitle {
  font-weight: 300;
  font-size: 42px;
  color: #526488;
  word-spacing: 5px;
  padding-bottom: 15px;
}

.links {
  padding-top: 15px;
}
</style>