Sphinx/docs: Avoid usage of deprecated style keyword

[kbaikov]

Fixes: #8230

Style keyword is deprecated in sphinx 7.x

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[misl6]

Hi @kbaikov ,

That's nice that you started working on an open issue (#8230) for Kivy 3.0.0, however I do not think that's the proper way to target this issue.

Can you please explain your changes?

[kbaikov]

Hi @misl6

Thank you for a quick reply.
So my thinking was to install sphinx version 7.x and try to build kivy documentation with a simple make target.
make html or make -C doc html
This is the minimal fix that makes the docs to build.

Perhaps i am missing something else. Please direct me.
Thanks!

[misl6]

So my thinking was to install sphinx version 7.x and try to build kivy documentation with a simple make target.
Yep, that build is also performed by our CI/CD pipeline, and we can configure to do that with sphinx 7.x.x.

Did you checked https://github.com/sphinx-doc/sphinx/pull/11381/files ? It looks like to me we actually need to support more stylesheets, and definitely we do not need to change style to styles in this HTML tag.

[kbaikov]

@misl6
Indeed, thank you.
Please take a look at the latest change.
This builds in the latest sphinx and leaves the HTML tag alone.

[kbaikov]

Fixed a typo.

[misl6]

LGTM. Thank you!

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