Description
The sub navigation, also called secondary navigation or content navigation, is used in the content below the header section and is shown as tab-bar. Currently it only appears on product detail pages that aren't edited by authors but are created automatically out of a database.
The links function as referrers to anchors on the same page. Clicking or tapping a link in the content navigation will cause the page to scroll as a whole to that anchor.
By scrolling down the page the top edge of the content navigation will stick to the main navigation as it reaches it (see images 2 and 3 below – note: sticky navigation currently not working on all devices).
On smaller viewports, the content navigation becomes swipe- or slideable with navigation buttons.