Photoshop paragraph styles

[m5heath]

Suppose I want to create a style that changes, say, paragraph alignment and I want to be able to apply the style to any paragraph without changing the font, how would I do that? As far as I can see, the style includes a specified font that cannot be 'turned off'.

[didiermazier]

It would be easy as far as i am understanding :

Create a paragraphe style

apply this style to all wqnted occurrences

go back and change for instance the alignement 

the change will apply to all occurrences of the applied style