Html is Hypertext Markup Language, a standardized system for tagging text files to achieve font, color, graphic, and hyperlink effects
css is cascading stle sheets which helps control the layout
javascript is language for scripting
doctype defines document type, body defines the body, p defines a paragraph and hr defines thematic changes
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The element selector will select elements based on the element name, The id selector will use the id attribute of an HTML element to select a specific element, and the class selector picks an element with a s class atribute
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i added a STYLE tag to change the color to blue