XHTML-CSS design and development

xhtml-css developer...

Convertion received designs to semantic & well optimized HTML or XHTML code, which a must is to be compilant to the specifications of W3C, is my as xhtml/css coder, base objective. Down-to-earth knowledge about cross-browsers CSS differences is a base to make template appearing with no differences under variant browsers.

... - a designer?

It is often to call what I do the XHTML-CSS designer, however I'm not a designer in the meaning of creating graphic designs, layouts, etc.