How to style SVG element?

Question

I have some SVG elements grouped together in a element. I just want to style that element to show grouping of elements. Like I want

Answer 1

The style that you give the "g" element will apply the child elements, not the "g" element itself.

Add a rectangle element and position around the group you wish to style.

See: https://developer.mozilla.org/en-US/docs/Web/SVG/Element/g

EDIT: updated wording and added fiddle in comments.