Fix AMP Carousel caption color and position #6907
Merged
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Summary
Fixes #6734
Captions of images that are part of an AMP Carousel are not getting a correct color and so are hard to read. It turned out that the issue affects not only AMP Carousel but also the core Gallery block (see WordPress/gutenberg#37032).
The solution proposed and used in Gutenberg (WordPress/gutenberg#37033) doesn't work for AMP Carousel since the CSS selectors are different for AMP.
This PR fixes this issue for AMP Carousel.
Check out the before and after on WordPress 5.9 and Twenty Twenty-Two:
While working on this issue and testing it out on Twenty Twenty-One I noticed that the caption does not stick to the bottom edge of the image, leaving an oddly-looking space. I went ahead and fixed this issue as well (bfd96b3).
WordPress 5.6 and Twenty Twenty-One, Gutenberg inactive:
Checklist