title: Select all the h tag inside a class
body: <p>Instead of writing the CSS code like,</p>
  
  <pre><code>.dark h1, 
  .dark h2, 
  .dark h3, 
  .dark h4, 
  .dark h5, 
  .dark h6 {
  
  }
  </code></pre>
  
  <p>Is there any short way to this like [class*="blah"]?</p>
  
  <p>Regards.</p>