have logged this bug task on a Village Pump (Technical) post here Gfigs (talk) 07:55, 6 January 2021 (UTC)
Topic on Talk:Reading/Web/PDF Functionality/Flow
this is display problem with Infobox Template. see (Task T271288) Gfigs (talk) 11:42, 6 January 2021 (UTC)
posted request for fix on Template talk:Infobox Gfigs (talk) 00:17, 7 January 2021 (UTC)