Yes! There are more than three-dozen macros included in Brikit's product suite. Check out our Macro Reference page for an overview. We also recommend reading Adding Macros to a Page to help you get started with them.
What do I need to know to create a new theme?
The best place to start is our Creating a New Theme page. From there you can move on to editing and applying themes.
Are there any keyboard shortcuts or hotkeys that I can use?