CSS Properties Index

A list of all CSS properties and their initial values. Note announcement and comments as well as the complementary HTML elements index.

The “living CSS” part of this index (“CSS 3/CSS”) is not being maintained at the moment (as of April 2019). For the latest in CSS, consider W3C’s properties list.

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Pro­perty ↓	CSS 1	CSS 2	CSS 2.1/2.2	CSS 3/CSS	Initial Value
align-content					auto
align-items					auto
align-self					auto
alignment-baseline					baseline
all					depending on individual properties
animation					depending on individual properties
animation-delay					0
animation-direction					normal
animation-duration					0
animation-fill-mode					none
animation-iteration-count					1
animation-name					none
animation-play-state					running
animation-timing-function					ease
appearance					auto
azimuth					center
backface-visibility					visible
background					depending on individual properties
background-attachment					scroll
background-blend-mode					normal
background-clip					border-box
background-color					transparent
background-image					none
background-origin					padding-box
background-position					0% 0%
background-repeat					repeat
background-size					auto
baseline-shift					0
binding					none
bleed					6pt
bookmark-label					content()
bookmark-level					none
bookmark-state					open
border					depending on individual properties
border-bottom					depending on individual properties
border-bottom-color					currentColor
border-bottom-left-radius					0
border-bottom-right-radius					0
border-bottom-style					none
border-bottom-width					medium
border-boundary					none
border-collapse					separate
border-color					depending on individual properties
border-image					none
border-image-outset					0
border-image-repeat					stretch
border-image-slice					100%
border-image-source					none
border-image-width					1
border-left					depending on individual properties
border-left-color					currentColor
border-left-style					none
border-left-width					medium
border-radius					0
border-right					depending on individual properties
border-right-color					currentColor
border-right-style					none
border-right-width					medium
border-spacing					0px 0px
border-style					depending on individual properties
border-top					depending on individual properties
border-top-color					currentColor
border-top-left-radius					0
border-top-right-radius					0
border-top-style					none
border-top-width					medium
border-width					depending on individual properties
bottom					auto
box-decoration-break					slice
box-shadow					none
box-sizing					content-box
box-snap					none
box-suppress					show
break-after					auto
break-before					auto
break-inside					auto
caption-side					top
caret					auto
caret-color					auto
caret-shape					auto
chains					none
clear					none
clip					auto
clip-path					none
clip-rule					nonzero
color					implementation dependent
color-adjust					economy
color-interpolation-filters					auto
column-count					auto
column-fill					balance
column-gap					normal
column-rule					depending on individual properties
column-rule-color					implementation dependent
column-rule-style					medium
column-rule-width					medium
column-span					none
column-width					auto
columns					depending on individual properties
contain					none
content					normal
counter-increment					none
counter-reset					none
counter-set					none
crop					auto
cue					depending on individual properties
cue-after					none
cue-before					none
cursor					auto
direction					ltr
display					inline
display-inside					auto
display-list					none
display-outside					inline-level
dominant-baseline					normal
elevation					level
empty-cells					show
filter					none
flex					depending on individual properties
flex-basis					auto
flex-direction					row
flex-flow					depending on individual properties
flex-grow					0
flex-shrink					1
flex-wrap					nowrap
float					none
float-offset					0 0
flood-color					black
flood-opacity					1
flow-from					none
flow-into					none
font					depending on individual properties
font-family					implementation dependent
font-feature-settings					normal
font-kerning					auto
font-language-override					normal
font-max-size					infinity
font-min-size					0px
font-optical-sizing					auto
font-palette					normal
font-presentation					auto
font-size					medium
font-size-adjust					none
font-stretch					normal
font-style					normal
font-synthesis					weight style
font-variant					normal
font-variant-alternates					normal
font-variant-caps					normal
font-variant-east-asian					normal
font-variant-ligatures					normal
font-variant-numeric					normal
font-variant-position					normal
font-variation-settings					normal
font-weight					normal
gap					depending on individual properties
grid					depending on individual properties
grid-area					depending on individual properties
grid-auto-columns					auto
grid-auto-flow					none
grid-auto-rows					auto
grid-column					depending on individual properties
grid-column-end					auto
grid-column-start					auto
grid-row					depending on individual properties
grid-row-end					auto
grid-row-start					auto
grid-template					depending on individual properties
grid-template-areas					none
grid-template-columns					none
grid-template-rows					none
hanging-punctuation					none
height					auto
hyphens					manual
icon					auto
image-orientation					0deg
image-rendering					auto
image-resolution					1dppx
ime-mode					auto
initial-letters					normal
initial-letters-align					alphabetic
initial-letters-wrap					none
inline-sizing					normal
isolation					auto
justify-content					auto
justify-items					auto
justify-self					auto
left					auto
letter-spacing					normal
lighting-color					white
line-break					auto
line-grid					match-parent
line-height					normal
line-snap					none
list-style					depending on individual properties
list-style-image					none
list-style-position					outside
list-style-type					disc
margin					depending on individual properties
margin-bottom					0
margin-left					0
margin-right					0
margin-top					0
marker-offset					auto
marker-side					list-item
marks					none
mask					border-box
mask-box					see individual properties
mask-box-outset					0
mask-box-repeat					stretch
mask-box-slice					0 fill
mask-box-source					none
mask-box-width					auto
mask-clip					border-box
mask-image					none
mask-origin					border-box
mask-position					center
mask-repeat					no-repeat
mask-size					border-box
mask-source-type					auto
mask-type					luminance
max-height					none
max-lines					none
max-width					none
min-height					0
min-width					0
mix-blend-mode					normal
move-to					normal
nav-down					auto
nav-index					auto
nav-left					auto
nav-right					auto
nav-up					auto
object-fit					fill
object-position					50% 50%
opacity					1
order					0
orphans					2
outline					depending on individual properties
outline-color					invert
outline-offset					0
outline-style					none
outline-width					medium
overflow					depending on individual properties
overflow-wrap					normal
overflow-x					visible
overflow-y					visible
padding					depending on individual properties
padding-bottom					0
padding-left					0
padding-right					0
padding-top					0
page					auto
page-break-after					auto
page-break-before					auto
page-break-inside					auto
page-policy					start
pause					implementation dependent
pause-after					implementation dependent
pause-before					implementation dependent
perspective					none
perspective-origin					50% 50%
pitch					medium
pitch-range					50
play-during					auto
polar-anchor					50% 50%
polar-angle					0
polar-distance					0
polar-origin					auto
position					static
presentation-level					0
quotes					text
region-fragment					auto
resize					none
rest					depending on individual properties
rest-after					none
rest-before					none
richness					50
right					auto
row-gap					normal
ruby-align					auto
ruby-merge					separate
ruby-position					before
scroll-padding					0
scroll-padding-block					0
scroll-padding-block-end					0
scroll-padding-block-start					0
scroll-padding-bottom					0
scroll-padding-inline					0
scroll-padding-inline-end					0
scroll-padding-inline-start					0
scroll-padding-left					0
scroll-padding-right					0
scroll-padding-top					0
scroll-snap-align					none
scroll-snap-margin					0
scroll-snap-margin-block					0
scroll-snap-margin-block-end					0
scroll-snap-margin-block-start					0
scroll-snap-margin-bottom					0
scroll-snap-margin-inline					0
scroll-snap-margin-inline-end					0
scroll-snap-margin-inline-start					0
scroll-snap-margin-left					0
scroll-snap-margin-right					0
scroll-snap-margin-top					0
scroll-snap-stop					normal
scroll-snap-type					none
shape-image-threshold					0.0
shape-inside					auto
shape-outside					none
shape-margin					0
size					auto
speak					auto
speak-as					normal
speak-header					once
speak-numeral					continuous
speak-punctuation					none
speech-rate					medium
stress					50
string-set					none
tab-size					8
table-layout					auto
text-align					start
text-align-last					auto
text-combine-upright					none
text-decoration					none
text-decoration-color					currentColor
text-decoration-line					none
text-decoration-skip					objects
text-decoration-style					solid
text-emphasis					depending on individual properties
text-emphasis-color					currentColor
text-emphasis-position					over right
text-emphasis-style					none
text-indent					0
text-justify					auto
text-orientation					mixed
text-overflow					clip
text-shadow					none
text-space-collapse					collapse
text-transform					none
text-underline-position					auto
text-wrap					normal
touch-action					auto
top					auto
transform					none
transform-origin					50% 50% 0
transform-style					flat
transition					depending on individual properties
transition-delay					0s
transition-duration					0s
transition-property					all
transition-timing-function					ease
unicode-bidi					normal
user-select					auto
vertical-align					baseline
visibility					visible
voice-balance					center
voice-duration					auto
voice-family					implementation dependent
voice-pitch					medium
voice-range					medium
voice-rate					normal
voice-stress					normal
voice-volume					medium
volume					medium
white-space					normal
widows					2
width					auto
will-change					auto
word-break					normal
word-spacing					normal
word-wrap					normal
wrap-flow					auto
wrap-through					wrap
writing-mode					horizontal-tb
z-index					auto
Number (out of 377) →	53	122	115	363
	CSS 1	CSS 2	CSS 2.1/2.2	CSS 3/CSS	Initial Value