Building a professional web application involves much more than designing individual web pages. You also need the tools to integrate your web pages in a complete, unified website. In this chapter, you considered three ways to do exactly that. First, you considered CSS, which lets you apply consistent formatting to HTML elements and web controls alike. Then, you considered the ASP.NET themes features, which lets you effortlessly apply a group of property settings to a control. Finally, you learned to use master pages, which allow you to standardize the layout of your website. All these features make it easy to bring your pages together into a well-integrated, consistent web application.