What does HTML stand for?
HyperText Markup Language
What is CSS used for?
Styling and formatting web pages
What is a CSS selector?
A pattern used to select elements to style
What is the box model in CSS?
Content, padding, border, and margin of an element
What is a transition in CSS?
Smooth change between property values over time
What is @keyframes used for?
Defining the stages of a CSS animation
What does responsive design mean?
Web pages adapt to different screen sizes
What is a flexbox in CSS?
A layout model for arranging items in a container
What is grid layout in CSS?
A 2D layout system for rows and columns