I am fluent in xHTML and CSS.I also have working knowledge of : PHP/MySQL, SEO/SEM, Photoshop, Javascript.I have done a lot of psd to xhtml and web site design in the past.My work is W3C compliant (valid xHTML strict or transitional) and looks identically in : IE 6, IE 7, Safari, Mozilla, Opera, Google Chrome.I make use of advanced CSS techniques as much as possible : image replacement techniques, sprites, cross browser drop-down menus that use only CSS, transparent PNG24's for IE 6.. Over the last years I developed web sites using : XHTML, CSS, PHP, MySQL.I have also worked for different web based companies implementing design using XHTML and CSS.