In the CSS functionality, Html4 is advance form of Html 3. Html4 doesn’t change the language. In this, there are some new tags, useful attributes for existing tags. The latest version of HTML, version 4.

These are cascading style sheets: Support for XML( Extensible MarkUp Language) & SGML tags(Standard Generalized MarkUp Language.)

New Tags:
<q> – Short quotation</q>
<s> – Strike-through text</s>
<span> – Generic inline container</span>
<tbody> Table body</tbody>

<tfoot> –Table foot</tfoot>
<thead> –Table head</thead>
<abbr> – Abbreviation</abbr>
<acronym> – Acronym</acronym>

<bdo> – BiDi override</bdo>
<button> – Button </button>
<colgroup>– Table column group</colgroup>
<del>– Deleted text</del>

<fieldset>- Form control group</fieldset>
<frame>– Frame</frame>
<frameset>– Frameset</frameset>
<iframe> – Inline frame</iframe>

<ins>– Inserted text</ins>
<label> – Form field label</label>
<legend> – Fieldset caption</legend>
<noframes>– Frames alternate content</noframes>

The attributes are not similar to tags but they occur only within the angle brackets of a tag.

In this we use
CLASS = The style sheet using the class command.
<span>Affected text</span>
ID = <a href=”#lessonone-id”>GO to lesson One</a>
TITLE = <span title=”indian cricket League”>NCL</span>

SGML—>SGML(System for defining markup languages).Users make their file by representing structural, presentational,and semantic information with content. SGML specifies which characters and delimiters may appear in the application file.

xml—> XML is a simplified version of SGML . People can easily understand. Its work is to allow you and set your own tags,, including for things like mathmatical equations; for fields of a data base.

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