Cleanup CSS styles

[nijel]

Describe the problem

The CSS file contains several blocks made for compatibility with old browsers like:

website/weblate_web/static/style.css

Lines 499 to 508 in e04d78d

	-webkit-transform: rotate(0deg);
	-moz-transform: rotate(0deg);
	-ms-transform: rotate(0deg);
	-o-transform: rotate(0deg);
	transform: rotate(0deg);
	-webkit-transition: 0.25s ease-in-out;
	-moz-transition: 0.25s ease-in-out;
	-ms-transition: 0.25s ease-in-out;
	-o-transition: 0.25s ease-in-out;
	transition: 0.25s ease-in-out;

Many of these are probably not needed these days.

Describe the solution you would like

Go through all those x-... properties and check whether they are really useful these days. Remove them if no longer needed.

We should not drop support for any browser that makes sense to use these days, but this code was AFAIK written with Internet Explorer still being considered what is definitely no longer needed now.

Describe alternatives you have considered

No response

Screenshots

No response

Additional context

No response

[meel-hd]

I see, I'm on it.

[github-actions]

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