CSS
CSS
#rrggbbaa hex color notation
::first-letter CSS pseudo-element selector
::placeholder CSS pseudo-element
::selection CSS pseudo-element
:default CSS pseudo-class
:dir() CSS pseudo-class
:focus-within CSS pseudo-class
:has() CSS relational pseudo-class
:in-range and :out-of-range CSS pseudo-classes
:indeterminate CSS pseudo-class
:matches() CSS pseudo-class
:optional CSS pseudo-class
:placeholder-shown CSS pseudo-class
Blending of HTML/SVG elements
CSS @apply rule
CSS Appearance
CSS Canvas Drawings
CSS Containment
CSS Cross-Fade Function
CSS Device Adaptation
CSS Exclusions Level 1
CSS Grid Layout
CSS Initial Letter
CSS Masks
CSS Motion Path
CSS Reflections
CSS Scroll snap points
CSS all property
CSS background-attachment
CSS background-blend-mode
CSS currentColor value
CSS display: contents
CSS font-rendering controls
CSS font-size-adjust
CSS font-stretch
CSS hanging-punctuation
CSS image-set
CSS initial value
CSS line-clamp
CSS namespaces
CSS page-break properties
CSS position:fixed
CSS position:sticky
CSS revert value
CSS scrollbar styling
CSS text-indent
CSS text-justify
CSS text-orientation
CSS text-stroke and text-fill
CSS touch-action property
CSS unset value
CSS user-select: none
CSS widows & orphans
CSS will-change property
CSS writing-mode property
CSS zoom
CSS3 attr() function
CSSOM Scroll-behavior
Case-insensitive CSS attribute selectors
Explicit descendant combinator >>
Improved kerning pairs & ligatures
Media Queries: interaction media features
Rebeccapurple color
background-position-x & background-position-y
letter-spacing CSS property
selector list argument of :not()
selector list argument of :nth-child and :nth-last-child CSS pseudo-classes
CSS2
CSS3
@font-face Web fonts
CSS ::marker pseudo-element
CSS Animation
CSS Backdrop Filter
CSS Counter Styles
CSS Feature Queries
CSS Filter Effects
CSS Generated content for pseudo-elements
CSS Gradients
CSS Hyphenation
CSS Logical Properties
CSS Regions
CSS Repeating Gradients
CSS Shapes Level 1
CSS Variables (Custom Properties)
CSS background-position edge offsets
CSS background-repeat round and space
CSS box-decoration-break
CSS clip-path property (for HTML)
CSS element() function
CSS filter() function
CSS first-line pseudo-element
CSS font-feature-settings
CSS font-smooth
CSS font-variant-alternates
CSS outline properties
CSS overflow-anchor (Scroll Anchoring)
CSS pointer-events (for HTML)
CSS resize property
CSS text-size-adjust
CSS3 2D Transforms
CSS3 3D Transforms
CSS3 Background-image options
CSS3 Border images
CSS3 Border-radius (rounded corners)
CSS3 Box-shadow
CSS3 Box-sizing
CSS3 Colors
CSS3 Cursors (original values)
CSS3 Cursors: zoom-in & zoom-out
CSS3 Media Queries
CSS3 Multiple backgrounds
CSS3 Multiple column layout
CSS3 Opacity
CSS3 Overflow-wrap
CSS3 Text-overflow
CSS3 Text-shadow
CSS3 Transitions
CSS3 font-kerning
CSS3 image-orientation
CSS3 object-fit/object-position
CSS3 selectors
CSS3 tab-size
CSS3 text-align-last
CSS3 word-break
Crisp edges/pixelated images
Flexible Box Layout Module
Font unicode-range subsetting
Intrinsic & Extrinsic Sizing
Media Queries: resolution feature
TTF/OTF - TrueType and OpenType font support
Viewport units: vw, vh, vmin, vmax
calc() as CSS unit value
ch (character) unit
rem (root em) units
text-decoration styling
text-emphasis styling