Underlined PDF Index heading

[Matze]

HI all,
I´m to stupid again to figure out where I´ve to set this issue in my css:

Appendix_underlined_PDF.JPG

I want to forbit the unerlined heading h1 of my appendix but I do not find it in the css.

Have you any idea, something like MadCap | GlossaryProxy, but it does not work

thx a lot

[Matze]

solved Thanks for reading ....