I don't know about what "units" support, but if you ever need picolightseconds in your web design, CSS got you covered: http://dev.w3.org/csswg/css-egg/#astro-

I don't know about what "units" support, but if you ever need picolightseconds in your web design, CSS got you covered: http://dev.w3.org/csswg/css-egg/#astro-units http://dev.w3.org/csswg/css-egg/#astro-units