title: How to use deep selector in scss in vue
body: <p>How to use deep selector in scss in vue?</p>
  
  <p>The code below not work.</p>
  
  <pre><code>&lt;style lang="scss" scoped&gt;
  .a{
   &amp;&gt;&gt;&gt;.b{
    ...
   }
  }
  &lt;/style&gt;
  </code></pre>
  
  <p>A deep selector like <code>&gt;&gt;&gt;</code> in <code>css</code> but in <code>scss</code> inside vue single file component.</p>