PSD to Code: Integrate the 960 Grid Visitor great Web Design, like any great layout design, usually follows a Grid system. For this Web Site you'll be learning how to use the popular 960 Grid system. Why a grid? Think about design elements you have learned like balance and alignment. How could a grid help with this? Find out in Chapter 4: Integrate the 960 Grid. To complete the Mission work through the tutorial and take a couple screenshots as evidence of what you learned. Mastery is simple, Visitor. You just need to post what you learned on your SITREP.