Theme customization from Concrete5 is great but have some limitation. To get around these limitations, Anitya comes with three important options pages you will find under.
These options are saved as presets, which are "collections" of options. These presets can be applied to certain pages or the entire site, which is very convenient to have different aparence the site.
The Theme Options page.
This page together options for general topics.
Take the controls of your concret5 installation with labels and other backgrounds changes
Slider option page
This page let you make fine tunings on different custom template that is slider or carousels
Fonts options page
Here you will set all font family from 600+ Google fonts, font size, font variant used into the site. This is a super powerful feature easy to play with.
Here is the place to manages Presets. Add, rename, remove, set as global, export, import, ... All are here.