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Syntax to specify the attribute of any tag:
                 <tag_name attribute_name = “value”>

                 For example, the <HR> tag has a COLOR attribute, which allows changing the colour of the line.
                 <HR COLOR = “RED”>




                          HTML COMMENTS


                 Comments  are used  to  write notes  about  the concerned  HTML  document.  This helps the
                 programmer in editing the document later. Any program description can be added in the form of
                 comments. We can add comments in our program using a comment tag <!--  -->.




                          RULES FOR WRITING HTML CODES


                 There are some rules for writing HTML codes:
                   Container tags should always be closed properly.
                   Values given to the attributes should be enclosed within the double-quotes.
                   Tag name should not contain spaces.

                   There should be no space between < and > in a tag.
                   Tags must be nested correctly.




                          STRUCTURE OF AN HTML DOCUMENT

                 The structure of an HTML document is:


                  <!DOCTYPE HTML>
                  <HTML>
                    <HEAD>

                      <TITLE> The title of the webpage goes here. </TITLE>
                    </HEAD>


                    <BODY>
                       All  the  visible  content  of  the  webpage  is  documented  here,
                         containing  bulk  of  information.  The section  contains  various
                         HTML tags defining the structure and layout of the page content.
                    </BODY>
                  </HTML>


                 The  DOCTYPE  declaration  at the beginning of page specifies  that  the document  is written in
                 HTML5. In HTML5, the DOCTYPE declaration is required.



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