Pseudo-element

Pseudo-class

Property

Function

Data Type

Concept

@rule

Backgrounds and Borders

Multi-column Layout

Fonts

Image Values and Replaced Content

Flexible Box Layout

Grid Layout

Writing Modes

Shapes

Masking

Compositing and Blending

Text

Text Decoration

Transforms

Transitions

Animations

Timing Functions

Display

Will Change

Color

Selectors

Overflow

Basic Box Model

Positioned Layout

Filter Effects

Media Queries

Values and Units

Custom Properties for Cascading Variables

Counter Styles

Table

Conditional Rules

Fragmentation

Basic User Interface

Inline Layout

Cascading and Inheritance