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Raspberry Pi For Dummies by Mike Cook, Sean McManus

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Discovering How to Write a Web Page

A web page is made up of a set of text files that describe the page to the computer. These text files are written using three different computer languages:

check.png HTML: Short for HyperText Markup Language, HTML is used to describe the structure of the page and its content. It explains, for example, which words make up the headline and where the images go. Every web page has its own HTML file. There have been lots of versions of HTML over the years. The newest version, HTML5, is becoming popular now, but lots of people still use web browsers that don’t understand all its features, so you might need to include some instructions to make sure those browsers can display your page correctly too. Much of the complexity in HTML arises from the need to cater for lots of different browsers, but in this project, you’re only going to use HTML that works in every browser. In the early days of the web, HTML was also used to describe the visual appearance of the page, but you should avoid doing that now.

check.png CSS: Short for Cascading Style Sheets, CSS describes what the design of the web page should look like. It describes where different boxes of content should be placed, which colors should be used for different pieces of text and the backgrounds, and what the borders ...

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