What web template is the Zendesk Community using?

What web template is the Zendesk Community using? https://support.zendesk.com/hc/en-us/community/topics

It looks like there is either significant customization or there is a new template for community.

It looks like there are Tabs allowing the selection of groups of topics.

The upcoming Events are not part of the standard Copenhagen template.

These are nice touches to the community page that would be useful for companies.