You can add your custom semantics and style with admonition
.
E.g. the example:
.. admonition:: description
Here is some info for basic Plone troubleshooting, especially with add-on modules.
The resulting output will have admonition-description
CSS class. Then you can then style with CSS, :after
and :before
pseudo-selectors e.g. if you want to add an exercise icon next to the text.
A random example file