Hello,
I have switched on local from J3 to J4. It looks like the html display of the login module doen't include the overwritting classes set in the cb_login_module for the differents elements such username input / Password input and ....
Let's have a quick look at our running website :
monbilansportsante.fr/index.php/connexion
And please see how it appears on local host on J4 after having loaded your latest version below as screenshot
Thanks for your advices