Bert Bos,
CSS contact
(This page uses CSS style sheets)
W3C and the CSS Working Group publish information about the specifications under development in various ways. This page is the working group's weblog (blog). Other places to find information are the “current work” page and the www-style mailing list.
round keyword for background-repeat and border-image-repeat scales 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. round-up or round-down) keywords).border-radius. They refer to a percentage of the corresponding dimension of the box (so border-radius: 50% gives an oval).