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Dive into the world of CSS pseudo-elements! Learn how to use ::before and ::after to add stylistic content without altering your HTML. Perfect for adding icons, decorative elements, or custom ...

HTML and CSS form the basic coding languages for web design and development. ... particularly HTML, CSS, and JavaScript, ... which would explain why there are so many short courses on the language.

Output: The results of executing the CSS, HTML, and JavaScript entered into the sections of the page. Figure A shows jsFiddle loaded in Internet Explorer 9 with empty code panes.