Here, the edit page banner is being set.
div#a h1.edit is an example of a CSS selector. Diva D2W page content is nested inside a
<div id="a">..</div>. ItSee: Layout of a Diva Look Page. Therefore it's CSS selector is
div#a. The page title is marked up as
<h1 class="edit">..</h1>, so the resulting CSS selector for that element would be
h1.edit or more specifically
All CSS selectors in a Diva D2W page begin with