<template>
  <div id="home">
      <collapse>
        <header v-show="showHeader">Header</header>
      </collapse>
      <main>
        <collapse direction="horizontal" timing=".3">
          <aside v-if="showAside">Aside</aside>
        </collapse>
        <article>
          <el-button @click="showHeader = !showHeader">HEADER</el-button>
          <el-button @click="showAside = !showAside">ASIDE</el-button>
        </article>
      </main>
  </div>
</template>

<script>
import collapse from 'z-collapse';
export default {
  components: { collapse },
  data() {
    return {
      showHeader: true,
      showAside: false
    }
  }
}
</script>

<style>
#home {
  margin: auto;
  text-align: center;
  height: 100vh;
  vertical-align: center;
  display: flex;
  flex-direction: column;
}
main {
  flex: 1;
  display: flex;
  flex-direction: row;
}
article {
  margin: auto;
}
header {
  padding: 20px;
  background: #58bc58;
}
aside {
  padding: 50px;
  background: pink;
}
</style>