Note Block in Rise

I have been investigating the options available with the new custom block feature in Rise.

It certainly provides the capability to create more impactful elements for courses built with Rise.

I have, however, discovered an issue with the new custom blocks that is at odds with standard Rise blocks.

The image below is a screen shot of a standard Note block and one I created using the  custom block feature. Clearly the custom version has more appeal than the standard version.

However, when you view the same blocks on a smartphone (portrait view) the custom block is not responsive. The text on the custom block is too small to read.

Unless, I have missed an existing option to make custom blocks responsive, could we please have this ability? If this is not possible, then greater options to format note blocks would be an improvement.

Cheers