[Broken Website] vonatinfo.mav-start.hu

### Prerequisites

- [X] I [searched for any existing report](https://github.com/darkreader/darkreader/issues?q=is%3Aissue) about this website issue to avoid opening a duplicate.
- [X] I can reproduce this website issue in a new, unmodified web browser profile with Dark Reader installed as the only extension.

### Website Issue Description

Almost the whole site is in bright colours.

### Website Address

http://vonatinfo.mav-start.hu/

### Steps To Reproduce

Open the website, click on trains (on the map) and buttons in the top-right panel.

### Screenshots


### Operating System

Windows 10 Pro N | 22H2 | 19045,4046

### Web Browser name and version

Mozilla Firefox 122.0.1 (64-bit)

### Dark Reader version

4.9.77

### Additional Context

_No response_