Summary

Topic 1 Web design needs a standard

Web page design appears differently on different browsers. Standardizing a website can reduce the size of web pages, allowing users to render web content faster, with smoother pages and less work. Now more standardized pages are used. XHTML's ease of writing and flexibility make web pages load faster. A web page must have certain markup to be XHTML. Adopting web standards means starting to work in a new way. Designers need to know what the final web page will look like before web design begins.

Topic 2 HTML uses different elements to describe the structure of a page

Every code has a beginning and an end. Properties tell us more about the element. HTML is a documentation page. Use tags to define the purpose of the code. You can learn HTML by looking at the code of other web pages.

Topic 3 CSS allows you to create rules to specify how content is displayed

CSS works by linking rules with HTML. CSS properties affect how elements are displayed. Can be defined using external CSS or internal CSS. CSS selectors are case-sensitive and must match element names and attribute values exactly. If two selectors are the same, the later one takes precedence. One of the benefits of using an external style sheet is that the same code does not need to be repeated on every page. Older browsers don't support special CSS, so test your new site in a variety of browsers and operating systems before launching it.