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Other tags such as < p > and </ p > surround and provide information about document text and may include sub-element tags. Browsers do not display the HTML tags but use them to interpret the content of the page. HTML can embed programs written in a scripting language such as JavaScript, which affects the behavior and content of web pages. The ...
Semantic HTML is the use of HTML markup to reinforce the semantics, or meaning, of the information in web pages and web applications rather than merely to define its presentation or look. Semantic HTML is processed by traditional web browsers as well as by many other user agents. CSS is used to suggest its presentation to human users.
Using the default HTML styling of most web browsers, it will indent the right and left margins both on the display and in printed form, but this may be overridden by Cascading Style Sheets (CSS). The non-semantic use of the blockquote element purely to indent text has been deprecated by the W3C (World Wide Web Consortium) since HTML 4. [2]
Indiscriminate use of the perrow attribute is strongly discouraged, because it overrides flexible use of different display sizes and aspect ratios, ranging from mobile miniature to wide "cinema" screens.
Style may be chosen specifically for a piece of content, see e.g., color; scope of parameters Alternatively, style is specified for CSS selectors, expressed in terms of elements, classes, and ID's.
HTML attributes are special words used inside the opening tag to control the element's behaviour. HTML attributes are a modifier of a HTML element type . An attribute either modifies the default functionality of an element type or provides functionality to certain element types unable to function correctly without them.
The blink element is non-standard, and as such there is no authoritative specification of its syntax or semantics. While Bert Bos of the World Wide Web Consortium has produced a Document Type Definition that includes syntax for the blink element (defining it as a phrase element on a par with elements for emphasis and citations), the comments in the DTD explain that it is intended as a joke.
In 1999 work on CSS 3 started, but until 2006 it faced serious limitations. [citation needed] In 2005 the CSS Working Group decided that already published standards (CSS 2.1, CSS3 text etc.) should be re-examined and updated. [citation needed] Benefits for members. CSS working group members belong to the broader organization W3C.