Fix for block grid styling regression issue #15973

[Lili-Rossiter]

Fixes #15973

Description

Font size and font family styling updated to ensure block grid text styling matches the block list text styling.

Issue:

Fix:

[github-actions]

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[nul800sebastiaan]

Thanks @Lili-Rossiter! Could you try this out with @baseFontSize and @baseFontFamily so that it's not just hardcoding a "random" font size/family in there. I believe the variables should work.

[nul800sebastiaan]

Hey @Lili-Rossiter - just checking to see if you had a chance to test out my previous suggestion?

[AndyButland]

Thanks very much for the contribution @Lili-Rossiter. I had a look at this one this morning - can confirm it resolves the styling discrepancy between the block list and grid.

The specific CSS that's being updated is inline in a .html files, so it's not being handled like the .less files are, and hence I don't believe we can use the variables here.

Possibly there is bigger refactor to put these inline styles into less files, but given they seem to specifically be overrides, I'd be concerned that might introduce some unexpected changes elsewhere. Given that, and that 13 will not be getting much further front-end development effort other than bug fixes, I think it'll be OK to use the hard-coded values here.

So if you are happy with that @nul800sebastiaan - I'll merge this one in for 13.9.