BG Animation with CSS

[ClassicRed]

Hello

I applied the css, great

Except that my screen is small, I have to put it in portrait mode when I do this:

https://forum.magicmirror.builders/topic/9707/save-performance-when-rotating-screen-e-g-on-raspberry-pi/12?page=2

the whole image goes into a spin

thanks for the help

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Bonjour

J’ai appliqué le css , génial

Sauf que mon ecran et petit , je dois le mettre en mode portrait quans je fais ceci :
https://forum.magicmirror.builders/topic/9707/save-performance-when-rotating-screen-e-g-on-raspberry-pi/12?page=2

toute l’image part en vrille

Merci pour l’aide