The powerful responsive mega menu for Joomla was just updated with significant Web Content Accessibility Guidelines (WCAG) support.
Version 3.1.0 brings upgrade in those areas:
This update is another in the series of updating our extensions to follow WCAG and Section 508 standards.
Recently we've also updated DJ-MediaTools and DJ-Tabs tabs for Joomla to follow those rules.
You can learn more about why it might be important for you to follow Web Content Accessibility Guidelines from this article: This Joomla template follows recommendations for making web content more accessible WCAG 2.0
Joomla-Monster's template Commune Offices provides WCAG and Section 508 standards. Worth to check.