<!-- main :only-of-type -->
<template>
  <main class="root">
    <div class="a">I am `div` #1.</div>
    <p class="b">I am the only `p` among my siblings.</p>
    <div class="c">I am `div` #2.</div>
    <div class="d">I am `div` #3.
      <i class="e">I am the only `i` child.</i>
      <em class="f">I am `em` #1.</em>
      <em class="g">I am `em` #2.</em>
    </div>
  </main>
</template>
