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The Italic Tag
The Italic tag is written as <i>. This tag is used to give an italic effect to your text. You need to
tell the web browser when to start using the italic effect and where to stop using the italic effect.
It is also a container tag and used in pairs as <i> and </i>.
The <SUP> Tag
2
The <SUP> tag is used to turn the enclosed text into a superscript. For example, E=mc is coded
as E=mc<sup>2</sup>
The <SUB> Tag
The <SUB> tag is used to turn the enclosed text into a subscript. For example, H O is coded
2
as H<sub>2</sub>O
EDITING AN EXISTING HTML DOCUMENT
Follow these steps to edit an HTML document:
1 Right-click
on the HTML
file.
2 Click on
the Open
with option.
3 Click on
Notepad.
This will open your HTML document in Notepad so that you can make changes to the file. After
making the required changes, you need to save the file by pressing the Ctrl+S keys.
If your web page is already opened in a web browser, you need to press the F5 key to see the
changes you have made.
INTRODUCING CSS3
CSS stands for Cascading Style Sheets. It is used for designing or styling a web page. It handles
and describes how an HTML web page will be presented on a web browser. It helps save a lot of
time, as one design layout can be used to create multiple web pages. The latest version of CSS
is CSS 3.
CSS comprises style rules that are interpreted by the web browser and then applied to the
corresponding elements in HTML web page. Syntax to create a style in CSS is:
selector{property1:value1; property2:value2; … …}
HTML—An Introduction 103

