Since you advertise Sydney as “chosen by elementor” (and you also have to edit the demo pages using elelementor), i dare to adress this topic: Please forward to the corresponding places if this does not belong here:
You can set fonts, colors, logo, favicon etc. is the customizer AS WELL as in Elementor global settings.
I don’t know wich settings is “stronger”, plus the site loads at least 2 additional CSS files.
I would love to have a guidance (e.g. in the customizer) wich settings are superior and how to properly change fonts, colors, etc. (and how not to do it).