How to alter SVG elements in dashboard?

I am using the numeric dashboard element, the one with the up down arrows. The arrows are too small against the text, I need to increase the size.

When I target with developer tools it brings up a box called SVG[Attributes Style] with a width:24 and height:24. I can't modify these values in the developer tools, they seem locked off. I think these are the values I need to change to increase the arrow size.

In Node-Red I have tried a bunch of different methods I found on google to try and modify through UI_Template, but nothing works.

Any ideas? What do I need to put in the ui_template to increase size from 24x24 to 100x100 in size?

Thanks