Text not visible on screen for computer view

Publishing help Editor
1

Hello guys,

The text is not visible on the computer version in the “CMS” tab while it is clearly visible on the tablet and phone version. How could I resolve this problem? Thanks a lot

Here is the screen where there are only H1 tags and not the text

Capture d’écran 2024-03-15 à 17.16.34
Capture d’écran 2024-03-15 à 17.16.343450×1772 503 KB

Here is the laptop version with now the text that appears normally

Capture d’écran 2024-03-15 à 17.17.25
Capture d’écran 2024-03-15 à 17.17.251920×990 135 KB

How to see the text again on the desktop version ?

Thanks a lot

Here is my site Read-Only: LINK
(how to share your site Read-Only link)