Thank you so much @KetanKumar, it's working now ! You was very useful !
Last question : how can I change the text color in white for this password page ONLY please ? I need to change more precisely :
Thank you in advance !
Yes, sorry bot right now not able to store
In case someone is looking for the answer of my 2nd question (how to change font color ONLY for the password page), here is how I did :
Are you using debut theme ?
If so, the answer si here :
If the size of your background is still weird, try to change 100vh by another number.
can you please share store ulr so i will check and let you know.