codeblocks on the SSR page don't hide lines correctly

This is about: - [ ] A typo - [ ] Inaccurate/misleading documentation (e.g. technically incorrect advice) - [ ] Undocumented code - [ ] Outdated documentation - [x] Other **Problem** `https://yew.rs/docs/next/advanced-topics/server-side-rendering` <img width="771" height="594" alt="Image" src="https://github.com/user-attachments/assets/f6b1dcff-6e9e-4296-a900-bb1de2077a2b" /> **Questionaire** _(Optional)_ - [ ] I'd like to write this documentation - [ ] I'd like to write this documentation but I'm not sure what's needed - [ ] I don't have time to add this right now, but maybe later