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Tech Fact
The <STRONG> and <EM> tags not only make the text bold and italic but also convey
that the enclosed content is of strong importance and to be emphasised, which is
beneficial for accessibility and search engine optimisation.
Let’s CatCh uP
Define the following:
1. <BR>
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2. <BODY>
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INTRODUCTION TO CSS
CSS stands for Cascading Style Sheets. It is a simple design language that enables to simplify the
process of making web pages. It handles and describes how an HTML web page will be presented
on a web browser. It saves a lot of time, as one design layout can be used to make more web pages.
The latest version of CSS is CSS 3. CSS 3 stands for Cascading Style Sheets Level 3. Earlier, CSS 2 was
used.
Using CSS, a web designer can control the text colour, font style, paragraph spacing, column size,
background images, layout designs, etc.
Basic Structure of CSS
CSS comprises of style rules that are interpreted by the web browser and then applied to the
corresponding elements in a document. Its style rule is made of two parts i.e. ‘Selector’ and
‘Declaration’. ‘Declaration’ can be further categorized into ‘Property’ and ‘Value’.
Selectors
In CSS (Cascading Style Sheets), selectors are patterns that define which HTML elements to style.
Selectors target specific elements or groups of elements on a web page, allowing you to apply styles
to them.
Syntax: Selector {Property:Value}
Selector: It signifies or points to a HTML tag, to which a style will be applied. Selector could be any
tag like <H1>, <TABLE>, etc.
Property: It is a type of attribute (such as text colour, font style, paragraph spacing, etc.) of
HTML tag.
Using CSS in HTML5 85

