Feature Request: toggle light/dark background

[chrismessina]

Is your feature request related to a problem? Please describe.

There are many occasions where it's not possible to see what a glyph/SVG asset actually looks like because its contents are the same color as the background color (as seen above).

Describe the solution you'd like
It would be useful to be able to toggle light/dark background modes.

Describe alternatives you've considered
I've tried to change the background-color style of the boxes using Inspect Element, but that's pretty inefficient.

Additional context
Here's the source of the page where I used the SVG Grabber: https://www.diffordsguide.com/

[rossmoody]

Really great suggestion here. Releasing a rudimentary update that gives this functionality. 🎉