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HTML5 basic Knowledge

Source: Internet
Author: User
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<span id="Label3"></p><p><p> <!--?xml version="1.0" encoding="UTF-8" standalone="no"?--></p></p><strong><strong>HTML5+CSS3</strong></strong><strong><strong>HTML5 defines a lot of simple things and loose syntax:</strong></strong><strong><strong>Document Header:</strong></strong><strong><strong><!doctype html></strong></strong><strong><strong>Document Encoding:</strong></strong><strong><strong><meta charset= "utf-8" ></strong></strong><strong><strong>single mark: can not add trailing</strong> slash</strong>What is it? HTML5 is built on HTML4 based on just a few new tags and attributes CSS3 is built on CSS2 based on just a few new styles that are not compatible with the Tube. Because it's not compatible at All.

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