It&#x27;s CSS only changes to be backwards compatible.<p>Here&#x27;s a screenshot I dug up from google. <a href="http:&#x2F;&#x2F;imgur.com&#x2F;3xGdZ04" rel="nofollow">http:&#x2F;&#x2F;imgur.com&#x2F;3xGdZ04</a><p>The changes were originally released in a 3rd party package: <a href="https:&#x2F;&#x2F;pypi.python.org&#x2F;pypi&#x2F;django-flat-theme" rel="nofollow">https:&#x2F;&#x2F;pypi.python.org&#x2F;pypi&#x2F;django-flat-theme</a> that has some screenshots too.