Can I use CSS functions such as calc and clamp?

I know I can do it through embed code and target specific class with custom CSS in order to set for example height to calc(100% - 100px), but is there any other way thats simpler?

Actually yes! Theres not one but two better ways than that one to type fully custom CSS.

Option 1:

If you select ‘-’ in units dropdown on the right, you will be able to type anything in input, just like in custom CSS.


Option 2:

On top of your styler on the right you can find an icon (screenshot) to open custom CSS for selected tag or class, and there you dont have any limits, type anything you need.