- Adding Borders to Elements with CSS
- Calculating element's width
- Comparison Operators
- CSS Sibling Selectors
- The JavaScript Document Object Model (DOM)
- Understanding the Domain Name System (DNS)
- Disadvantages of Developing and Using Style Guides
- Vector Graphics with SVG
- Displaying Numbers and Numbers Ranges in HTML
- Fluid Layouts
- Working with the Browser Viewport
- Accesibility in Web Development - ARIA
- Sass Style Inheritance