fill-rule

An SVG property that determines how the interior of a complex shape (with overlapping paths) is filled with color.

It is documented as part of the Scalable Vector Graphics specification.

/* Usage Example */
path {
  /* Uses the even-odd rule to determine fill area */
  fill-rule: evenodd;
}

/* Syntax */
fill-rule: nonzero;
fill-rule: evenodd;

/* Global values */
fill-rule: inherit;
fill-rule: initial;
fill-rule: revert;
fill-rule: revert-layer;
fill-rule: unset;
Widely available Since 2020 96% global usage

This feature is well established and works across many devices and browser versions. It has been available across browsers since 2020.

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