Default

HTML
Content and structure
CSS
Styling
CSS
Interactivity and dynamic content
<dl>
  <dt>HTML</dt>
  <dd>Content and structure</dd>
  <dt>CSS</dt>
  <dd>Styling</dd>
  <dt>CSS</dt>
  <dd>Interactivity and dynamic content</dd>
</dl>

divs for grouping

HTML
Content and structure
CSS
Styling
CSS
Interactivity and dynamic content
<dl>
  <div>
    <dt>HTML</dt>
    <dd>Content and structure</dd>
  </div>

  <div>
    <dt>CSS</dt>
    <dd>Styling</dd>
  </div>
  
  <div>
    <dt>CSS</dt>
    <dd>Interactivity and dynamic content</dd>
  </div>
</dl>