The purpose of this template is to allow you to create visual design comps that are designed to be implemented using a CSS layout framework. The Photoshop document features a 24 column grid for CSS frameworks such as Blueprint. It consists of guides that comply with Blueprint's grid of 24 columns of 30px, 10px wide gutters, and a horizontal width of 950px. Horizontal guides are provided at 18px or 1.5 em line-height for 12 px base font.