Flyout: not keyboard accessible (on Windows)

[msftedad]

Details

• Read the Docs project URL: https://docs.citusdata.com/en/stable/
• Build URL (if applicable): NA
• Read the Docs username (if applicable): NA

Observation:
While navigating with the keyboard tab key, the keyboard focus is not moving to the Stable read the Docs button which will opens a Popup. After privacy statement link, the focus is moving out of the page.
'Stable read the Docs' button is accessible and operable with the mouse.

Repro steps:
Open URL "https://docs.citusdata.com/en/stable/" in Edge browser.
Citus documentation page will appear.
Verify using tab key, whether "Stable Read the Docs' button present in the bottom right corner of the page is keyboard accessible or not.

Expected Result

'Stable Read the Docs' button should be accessible with the keyboard tab key.
EX: After the last control of the page i.e privacy statement link, for the next tab it should be move to the Stable read the Docs button upon invoking enter key, it should open a popup.

Actual Result

'Stable read the docus' button present in the bottom right corner of citus Documentation page is not accessible using keyboard tab key.

Observation: Role is not defined for the 'Stable read the docus' button

Stable.Read.the.Docs.Button.in.Bottom-Right.Corner.of.Citus.Documentation.Page.is.Not.Keyboard.Accessible.on.Windows.1.mp4