### Bug description

Hi,
as you can see below the copy code button scrolls with the code. I think it should remain fixed on the right.
Am I wrong?

I'm using quarto 1.4.43.

![scroll](https://github.com/quarto-dev/quarto-cli/assets/30607/ce96574a-2064-4125-9508-c26b0fd03932)

The site is live here https://pnrr.datibenecomune.it/fonti/regis/mappa.html#costruire-filtri-di-visualizzazione-a-mano


```
[✓] Checking versions of quarto binary dependencies...
      Pandoc version 3.1.2: OK
      Dart Sass version 1.55.0: OK
      Deno version 1.33.1: OK
[✓] Checking versions of quarto dependencies......OK
[✓] Checking Quarto installation......OK
      Version: 1.4.43
      Path: /opt/quarto/bin

[✓] Checking basic markdown render....OK

[✓] Checking Python 3 installation....OK
      Version: 3.9.2
      Path: /usr/bin/python3
      Jupyter: 5.1.2
      Kernels: bash, python3

[✓] Checking Jupyter engine render....OK

[✓] Checking R installation...........OK
      Version: 4.0.4
      Path: /usr/lib/R
      LibPaths:
        - /home/aborruso/R/x86_64-pc-linux-gnu-library/4.0
        - /usr/local/lib/R/site-library
        - /usr/lib/R/site-library
        - /usr/lib/R/library
      knitr: 1.41
      rmarkdown: 2.19

[✓] Checking Knitr engine render......OK
```

### Checklist

- [X] Please include a minimal, fully reproducible example in a single .qmd file? Please provide the whole file rather than the snippet you believe is causing the issue.
- [X] Please [format your issue](https://quarto.org/bug-reports.html#formatting-make-githubs-markdown-work-for-us) so it is easier for us to read the bug report.
- [X] Please document the RStudio IDE version you're running (if applicable), by providing the value displayed in the "About RStudio" main menu dialog?
- [X] Please document the operating system you're running. If on Linux, please provide the specific distribution.
- [X] Please provide the output of `quarto check` so we know which version of quarto and its dependencies you're running.
dragonstyle
2023-05-14T21:39:36Z
aborruso
bug html
v1.4
open
html output: the copy code button scrolls with the code (quarto 
https://github.com/quarto-dev/quarto-cli/issues/5538