About
The
is grouping SVG element together.
The style that you give the g element will apply the child elements, not the g element itself.
===== Example =====
<svg height="200" viewBox="0 0 100 100" xmlns="http://www.w3.org/2000/svg">
<!-- Using g to inherit presentation attributes -->
<g fill="white" stroke="green" stroke-width="5">
<circle cx="40" cy="40" r="25" />
<circle cx="60" cy="60" r="25" />
</g>
</svg>
===== Documentation / Reference =====
* https://developer.mozilla.org/en-US/docs/Web/SVG/Element/g