XF 2.2 In extra.less how to target a specific forum page title ?

[Deleted member 184953]

Hello,
I want to add an image before some titles in forum_view template ?
How can i do this in extra.less template ?
I know this syntax [data-widget-key="forum_view"] but the code is applied for all forum pages.
Thank you.

 

[Paul B]

[data-container-key="node-1"]

 

[Deleted member 184953]

Thank you very much.