LSNBLDR-576. The author requested that that Jira not be used, so fixes will be in this one. Quite likely I'll check all the CSS fixes in with a single commit.
However the first item in the spreadsheet is not CSS. It's an issue that has been present from the beginning, and will require substantial new code. If I do it at all, it will be in a separate Jira. It may not be appropriate for 11.