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The selector specifies the element to which we want to apply the formatting and the declaration
                 specifies the formatting to the selector.
                   The property of CSS is used to create a style.
                   Value is the valid value for the property.
                    A semicolon should be used at the end of the property-value pair, if more than one property is
                   used.

                 Some of the properties and their values of CSS are given below:


                        Property                       Value                              Description



                  Background-Color       Name of the colour                  Specifies background colour.

                                                                             Specifies the text colour used in the
                  Color                  Name of the colour
                                                                             webpage.
                  Text-Align             Left, Right, Center, Justified      Specifies the alignment of the text.

                                                                             Specifies the font of the text used in the
                  Font-Family            Name of the font
                                                                             webpage.
                                         Value is given in Pixels. The default   Specifies the font size used in the
                  Font-Size
                                         font size for the text is 16px.     webpage.

                 The three ways to use CSS in HTML documents are described below:

                 INLINE CSS
                 An inline style is used to apply a unique style for a single element. Inline styles are added directly to
                 an HTML tag by using the style attribute with the tag. Syntax to use the style attribute with a tag:

                                             <TAGNAME STYLE = “PROPERTY:VALUE;”>
                 For Example:
                 <BODY STYLE=”BACKGROUND-COLOR:RED; COLOR:RED”>
                 TEXT IN RED COLOUR
                 </BODY>

                 INTERNAL CSS

                 Internal CSS allows us to define the style for a single HTML page. It is defined using the <STYLE>
                 tag in the head section of the HTML page. For Example:
                 <!DOCTYPE HTML>
                 <HTML>
                 <HEAD>
                 <STYLE>
                 H1 {COLOR:RED;}
                 H2 {COLOR:GREEN;}
                 </STYLE>                                        Primary language for webpage designing
                 </HEAD>
                 <BODY>
                 <H1>This is a heading level 1 (H1)</H1>



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