Let me give you the most important information here:
Copy = CTRL + SHIFT + C
Paste = CTRL + SHIFT + V
CTRL + SHIFT + T = open termite
Super + Enter = open termite
CTRL + – decrease font
CTRL + + increase font
CTRL + = standard font
We have added a lot of themes for termite in the folder. 79 themes at the moment of writing this article
You can always copy/paste any of these color codes into your termite configuration file.
Have fun trying out all the possibilities.