Chrome. It work great for a character ability, but it seems that Roll20 modifies the input for the macro when I save them : I can still write the code (found in the macro wiki btw) in a macro and test it, it will work. But if I try to save the macro, and open it again, I will see the macro without the HTML (does not happen with abilities) . Since all was working fine 2 weeks ago, maybe the last update changes something ? Anyway, if it's an unsupported hack, I doubt we can treat this as a bug...