The styling is missing from Special:PageTranslation, rendering the options (mark for translation, discourage, and remove) on the line following the title, rather than on the same line with parenthesis. Confirmed to be an issue on wikispecies, wikidata, commons, meta, and mediawiki.org, didn't check further
This is what I see,
This is the intended output as per changes made here: https://gerrit.wikimedia.org/r/c/mediawiki/extensions/Translate/+/610075
We're planning to have a design iteration to improve on that.
Not a bug as explained above. If you have concerns with this format, do share and we take them into account for the design improvements.