colors in `brand.typography.monospace` are not working correctly in HTML formats

[gordonwoodhull]

tests/docs/brand-yaml/monospace-colors/brand-typography.qmd demonstrates setting colors via the "base class" brand.typography.monospace, which should be inherited by bothmonospace-inline and monospace-block

It looks like the foreground color is used, but the background color is not.

Typst

HTML