How to remove background color on title

I have an issue after upgrading to Sydney Pro : the titles (our services, what else we provide?,… on the demo) have a dark grey background and I can’t find my way to remove it.
I have this server with the demo : and the pro version is here :
Thank you for your help.


You probably selected it by accident. See Customize > Sydney Pro Options > Front page section titles.

Whaoo… You are fast !
Thank you so much for your help, this is resolved.
Have a great day