The clip-rule CSS property defines how to determine which pixels in a mask's box are inside the clipping shape defined by a clip path, and which are outside, when parts of the path overlap other parts. Specifically, it chooses between the "non-zero" and "even-odd" methods of determining inclusion. clip-rule can be applied to all SVG elements, but only has an effect on those which are part of a clipping path. CSS values of the clip-rule property can override SVG values of the clip-rule attribute....box are inside the clipping shape defined by a clip path , and...path's shape. Otherwise, it's inside the path's shape. even-odd...