Describe the bug
Scenario: a Window appended to the content of a TabStrip tab. If the content is scrolled down, when you open the Window it does not appear centered. Reproducible only with the SASS themes.
To reproduce
Steps to reproduce the behavior:
Expected behavior
The behavior with the LESS themes is the expected one. The Window appears centered and there is no offset when dragging it.
Affected package (please remove the unneeded items)
Affected suites (please remove the unneeded items)
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Build system information (please remove the unneeded items)
Reported in Ticket ID: 1472894.
Reproducible in this demo.
The content of the tab is not focusable.
The tabs themselves and the active tab's content should be focusable: https://www.w3.org/TR/wai-aria-practices/examples/tabs/tabs-1/tabs.html