Understand Before You Build

  • HTML
    • Form
    • HTML pattern Attribute
  • CSS
    • inset
    • scroll-snap-type
    • margin-inline
    • Content-visibility
    • Scroll-Driven Animations
    • Isolation
    • @Container
    • @layer
    • :not()
    • :is()
    • :Where()
    • :has()
    • :target
    • backdrop-filter
    • :root
    • Color-scheme
    • Animations
    • Selectors
    • Object-fit
    • Logical Pseudo-Classes
    • :scope
    • Properties
    • Performance
    • Aspect-ratio
    • State Pseudo-Classes
    • Positioning
    • Resize
    • Structural Pseudo-Classes
    • Responsive Design
    • Units
    • Root & Scope Selectors
    • Scrolling
    • At-Rules
    • Target & URL Selectors
    • Spacing
    • Functions
    • Attribute Selectors
    • Layouts
    • Basic Selectors
    • Filters & Effects
    • Colors & Typography
    • Flexbox
    • Combinator Selectors
    • Grid
    • Form & UI State Selectors
    • AI CSS Generator
  • Sass
    • Variables
    • Nesting
    • Mixins
    • Reusable styles
    • Large project management
  • CSS Frameworks
    • Material UI
    • Bootstrap
    • Tailwind CSS
  • React UI
    • Performance Optimization
    • React.memo
    • useMemo
    • useCallback
    • Lazy Loading
    • Code Splitting
    • Virtual DOM Optimization
    • Preventing Re-renders
    • Props & State
    • Hooks
    • Component-based architecture
    • State-driven UI updates
  • Figma
    • Design systems
    • Tokens
    • Variables
    • Auto layout
    • Component variants
    • Design handoff
    • UI consistency

Selectors

Learn all modern CSS selectors with easy examples and practical use cases. Explore basic selectors, pseudo-classes, attribute selectors, logical selectors, and advanced modern CSS techniques used in real-world projects.

Category Description Examples
Basic Selectors Basic element, class, and ID targeting selectors. *, div, .card, #header
Combinator Selectors Target elements based on relationships. div p, div > p, div + p
Attribute Selectors Select elements using HTML attributes. [type], [href^="https"]
Structural Pseudo-Classes Select elements based on structure and position. :nth-child(), :first-child
State Pseudo-Classes Handle interaction and element states. :hover, :focus, :active
Form & UI State Selectors Style form controls and UI states. :checked, :disabled, :focus-within
Target & URL Selectors Target document and URL fragment states. :target, :scope
Logical / Modern Selectors Powerful modern selector utilities. :is(), :where(), :has()