The theming system in Asciidoctor PDF does not currently support the ability to apply styles to a block. There's an open issue to consider supporting this feature in a limited capacity. See https://github.com/asciidoctor/asciidoctor-pdf/issues/483 (the issue talks about paragraphs, but once it is implemented for paragraphs, it can likely be extended to other blocks.
On Wed, Jan 6, 2021 at 3:45 AM Mark S [via Asciidoctor :: Discussion] <[hidden email]> wrote:
I'm using asciidoctor-pdf. In my theme-pdf.yml file I have: