Make headers distinguishable

[ixxie]

Some of the headers are hard to distinguish; specifically the H3 and H4 headers. Perhaps H4 could be a tad smaller in italics? It may be prudent to check H5 and H6 too; they are unlikely to be used but they may have a usecase eventually.

@samueldr

[makefu]

For me h5 looks like normal text, i had to emphasize it in order to make it visible ( https://nixos.wiki/wiki/Nix_Expression_Language#On_top_of_expressions )

[samueldr]

First fix is necessary, as the configuration that I wrote loaded the CSS files in the wrong order.
The second fix is the actual fix, with the new rules.

• https://gitlab.com/samueldr/nixos-wiki-proposition/commit/d1c83651c9a6ac14e9f5d9315b468b874b6ddd8b
• https://gitlab.com/samueldr/nixos-wiki-proposition/commit/3ce620a3b29f3f5c13be5d7c9b1219f8d2aa0a95

Current state

Once fixed

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Once implemented, this issue should be closed.

[makefu]

looks fantastic! exactly what i hoped for

[samueldr]

I might reduce their relative sizes a bit, playing around with articles on my local installation, it makes too much of a change, but I'll make sure titles are all distinguishable.

[samueldr]

The fixes have been applied through common.css.

Not closing, as this should be fixed through the actual theme files; when the configuration will be made public, it will be trivial to then make a pull request.