s its descendants to receive focus for keyboard access.
The `tabindex` value defines the order (sequence) in which elements will receive focus when users navigate via the keyboard:
* `"-1"` will remove the element from the tab sequence (ignored during tabbing) but may remain focusable
* `"0"` will be handled in the order (tab sequence) as it appears in the DOM source code order
* `">0"` (positive number) [creates a relative ordering](https://html.spec.whatwg.org/multipage/interaction.html#the-tabindex-attri