Do you want to know how the CSS WG works? Fantasai has written about:csswg, An Inside View of the CSS Working Group at W3C.
border-image-repeatscales to the nearest whole number of tiles. This will be marked as an issue for feedback in case people prefer different behavior or would like additional controls (e.g.
border-radius. They refer to a percentage of the corresponding dimension of the box (so
border-radius: 50%gives an oval).