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Practice how to apply internal CSS style to HTML elements using HTML id in an HTML page
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<!DOCTYPE html> <html> <head> <title>HTML ID for CSS Style in HTML Page</title> <!-- Title of the page--> <!--This is an example of internal css style.--> <style> /*This is an example of HTML id to apply CSS style. # is used to define id. */ #testId { color: red; font-size: 18px; } </style> </head> <body> <h1>Example of HTML ID to Apply CSS Style in a Webpage</h1> <hr /> <h3>CSS style element added in the head element. Color and font size of the following lines have been changed using HTML id as selector.</h3> <p id="testId">You can use HTML id as selector in <style> element within head element to apply CSS style.</p> <p>#testId{"color: red; font-size: 18px;"} is used in the style element within the head element to apply CSS style to all elements with id="testId" attribute in the document.</p> </body> </html>
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