Your Sites & Styles - WebPutty. Bootstrap, from Twitter. El Servicio de Validación de CSS del W3C. Tutorial CSS - Tabla de contenidos - HTML.net. The Perfect 3 Column Liquid Layout: No CSS hacks. SEO friendly. iPhone compatible. Download this layout (25kb zip file).
Percentage dimensions of the holy grail layout All the dimensions are in percentage widths so the layout adjusts to any screen resolution.