What are HTML5 and CSS3?

What is HTML5?

HTML, Hyper Text Markup Language (Hyper Text Markup Language), an application under the standard universal markup language. It is a markup language used to describe web documents. HTML5 is the fifth major revised version of HTML. It is the latest version. Its main features are support for native video playback, offline storage, and more semantic tags.

html5 is a set of technology combinations including HTML, CSS and JavaScript that enhances the performance of Web pages. Secondly, web application functions such as local database are added.

HTML5 is designed to support multimedia on mobile devices.

What is CSS3?

The full name of css is Cascading Style Sheet, which can be translated as "cascading style sheet" or "cascading style sheet".) is a computer language used to express file styles such as HTML or XML and can be used to control the Web The appearance of the page. By formatting a page using CSS styles, you can separate the content of the page from its presentation. The content of the page is stored in the HTML document, and the CSS rules used to define the presentation can be stored in another file or a certain part of the HTML document, usually the file header.

CSS3 is the latest CSS standard and an upgraded version of CSS. 3 is just the version number. It adds many powerful features based on CSS2.1.

CSS has been upgraded from CSS1.0, CSS2.0, CSS2.1 and CSS3.0. CSS2.1 is a revised version of CSS2.0 and CSS3.0 is CSS. The latest version (it is also necessary to understand CSS version issues).

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