HTML Summary

HTML (HyperText Markup Lenguague) is used to define our page content, structure and meaning. You don't use it for styling purpuses. Use CSS for that Instead!

• HTML uses "elements" to describe (annotate) content
• HTML elements typically have an openong tag, content and them a closing tag
• You can also have void (empty) elements like images
• You can also Configure elements with attributes
• There's along lis of available elements but you'll gain experience over time, no worries.

Learn more about all available HTML elements on the MDN HTML element reference .

CSS Summary

CSS (Cascading Style Sheets) is used for styling your page content

• Styles are assigned via property-value pairs
• You can assign styles via the "style" attribute
• To avoid code duplication, you typically use global styles (e.g via the "style" element) instead
• Alternatively, you can work with external stylesheet file which you "link" to
• When working with CSS, conceps like "inheritance", "specify" and the "box model" should be understood.

Learn more about all available CSS properties and values on the MDN CSS property reference .