How to control the branding (colours)

Hi, can you please tell me where I can change the colours of fonts and backgrounds?
Thanks kindly

Hi,
start from lecture of those guides:
1) https://www.gavick.com/documentation/jo ... t-size-etc
2) https://www.gavick.com/documentation/jo ... ound-image

Thank you! these look very helpful!

Branding request much more changes also about module and admin panel appearance:

1) https://www.gavick.com/documentation/un ... m-back-end
2) https://www.gavick.com/documentation/jo ... ass-suffix