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CSS References

CSS Reference CSS Browser Support CSS Selectors CSS Combinators CSS Pseudo-classes CSS Pseudo-elements CSS At-rules CSS Functions CSS Reference Aural CSS Web Safe Fonts CSS Fallback Fonts CSS Animatable CSS Units CSS PX-EM Converter CSS Colors CSS Color Values CSS Default Values CSS Entities

CSS Properties

accent-color align-content align-items align-self all animation animation-delay animation-direction animation-duration animation-fill-mode animation-iteration-count animation-name animation-play-state animation-timing-function aspect-ratio backdrop-filter backface-visibility background background-attachment background-blend-mode background-clip background-color background-image background-origin background-position background-position-x background-position-y background-repeat background-size block-size border border-block border-block-color border-block-end border-block-end-color border-block-end-style border-block-end-width border-block-start border-block-start-color border-block-start-style border-block-start-width border-block-style border-block-width border-bottom border-bottom-color border-bottom-left-radius border-bottom-right-radius border-bottom-style border-bottom-width border-collapse border-color border-end-end-radius border-end-start-radius border-image border-image-outset border-image-repeat border-image-slice border-image-source border-image-width border-inline border-inline-color border-inline-end border-inline-end-color border-inline-end-style border-inline-end-width border-inline-start border-inline-start-color border-inline-start-style border-inline-start-width border-inline-style border-inline-width border-left border-left-color border-left-style border-left-width border-radius border-right border-right-color border-right-style border-right-width border-spacing border-start-end-radius border-start-start-radius border-style border-top border-top-color border-top-left-radius border-top-right-radius border-top-style border-top-width border-width bottom box-decoration-break box-reflect box-shadow box-sizing break-after break-before break-inside caption-side caret-color @charset clear clip clip-path color color-scheme column-count column-fill column-gap column-rule column-rule-color column-rule-style column-rule-width column-span column-width columns @container content counter-increment counter-reset counter-set @counter-style cursor direction display empty-cells filter flex flex-basis flex-direction flex-flow flex-grow flex-shrink flex-wrap float font @font-face font-family font-feature-settings font-kerning @font-palette-values font-size font-size-adjust font-stretch font-style font-variant font-variant-caps font-weight gap grid grid-area grid-auto-columns grid-auto-flow grid-auto-rows grid-column grid-column-end grid-column-start grid-row grid-row-end grid-row-start grid-template grid-template-areas grid-template-columns grid-template-rows hanging-punctuation height hyphens hyphenate-character image-rendering @import initial-letter inline-size inset inset-block inset-block-end inset-block-start inset-inline inset-inline-end inset-inline-start isolation justify-content justify-items justify-self @keyframes @layer left letter-spacing line-height list-style list-style-image list-style-position list-style-type margin margin-block margin-block-end margin-block-start margin-bottom margin-inline margin-inline-end margin-inline-start margin-left margin-right margin-top marker marker-end marker-mid marker-start mask mask-clip mask-composite mask-image mask-mode mask-origin mask-position mask-repeat mask-size mask-type max-block-size max-height max-inline-size max-width @media min-block-size min-inline-size min-height min-width mix-blend-mode @namespace object-fit object-position offset offset-anchor offset-distance offset-path offset-position offset-rotate opacity order orphans outline outline-color outline-offset outline-style outline-width overflow overflow-anchor overflow-wrap overflow-x overflow-y overscroll-behavior overscroll-behavior-block overscroll-behavior-inline overscroll-behavior-x overscroll-behavior-y padding padding-block padding-block-end padding-block-start padding-bottom padding-inline padding-inline-end padding-inline-start padding-left padding-right padding-top @page page-break-after page-break-before page-break-inside paint-order perspective perspective-origin place-content place-items place-self pointer-events position @property quotes resize right rotate row-gap scale @scope scroll-behavior scroll-margin scroll-margin-block scroll-margin-block-end scroll-margin-block-start scroll-margin-bottom scroll-margin-inline scroll-margin-inline-end scroll-margin-inline-start scroll-margin-left scroll-margin-right scroll-margin-top scroll-padding scroll-padding-block scroll-padding-block-end scroll-padding-block-start scroll-padding-bottom scroll-padding-inline scroll-padding-inline-end scroll-padding-inline-start scroll-padding-left scroll-padding-right scroll-padding-top scroll-snap-align scroll-snap-stop scroll-snap-type scrollbar-color shape-outside @starting-style @supports tab-size table-layout text-align text-align-last text-decoration text-decoration-color text-decoration-line text-decoration-style text-decoration-thickness text-emphasis text-emphasis-color text-emphasis-position text-emphasis-style text-indent text-justify text-orientation text-overflow text-shadow text-transform text-underline-offset text-underline-position top transform transform-origin transform-style transition transition-delay transition-duration transition-property transition-timing-function translate unicode-bidi user-select vertical-align visibility white-space widows width word-break word-spacing word-wrap writing-mode z-index zoom



CSS Browser Support Reference

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CSS Reference With Browser Support

The table below lists all CSS properties and how each property is supported in the different browsers:

The number to the right of the browser icon indicates in which browser version the property was first supported.

Property Edge Firefox Chrome Safari Opera
A          
accent-color 93 92 93 15.4 79
align-content 16 52 57 10.1 44
align-items 16 52 57 10.1 44
align-self 16 52 57 10.1 44
all 79 27 37 9.1 24
animation 10 16 43 9 30
animation-delay 10 16 43 9 30
animation-direction 10 16 43 9 30
animation-duration 10 16 43 9 30
animation-fill-mode 10 16 43 9 30
animation-iteration-count 10 16 43 9 30
animation-name 10 16 43 9 30
animation-play-state 10 16 43 9 30
animation-timing-function 10 16 43 9 30
aspect-ratio 88 89 88 15 74
B          
backdrop-filter 79 103 76 9 63
backface-visibility 12 16 36 15.4 23
background 4 1 1 1 3.5
background-attachment 4 1 1 1 3.5
background-blend-mode 79 30 35 7.1 22
background-clip 9 4 4 3 10.5
background-color 4 1 1 1 3.5
background-image 4 1 1 1 3.5
background-origin 9 4 4 3 10.5
background-position 4 1 1 1 3.5
background-position-x 12 49 1 1 15
background-position-y 12 49 1 1 15
background-repeat 4 1 1 1 3.5
background-size 9 4 4 4.1 10
block-size 79 41 57 12.1 44
border 4 1 1 1 3.5
border-block 87 66 87 14.1 73
border-block-color 87 66 87 14.1 73
border-block-end 79 41 69 12.1 56
border-block-end-color 79 41 69 12.1 56
border-block-end-style 79 41 69 12.1 56
border-block-end-width 79 41 69 12.1 56
border-block-start 79 41 69 12.1 56
border-block-start-color 79 41 69 12.1 56
border-block-start-style 79 41 69 12.1 56
border-block-start-width 79 41 69 12.1 56
border-block-style 87 66 87 14.1 73
border-block-width 87 66 87 14.1 73
border-bottom 4 1 1 1 3.5
border-bottom-color 4 1 1 1 3.5
border-bottom-left-radius 9 4 5 5 10.5
border-bottom-right-radius 9 4 5 5 10.5
border-bottom-style 5.5 1 1 1 9.2
border-bottom-width 4 1 1 1 3.5
border-collapse 5 1 1 1.2 4
border-color 4 1 1 1 3.5
border-end-end-radius 89 66 89 15 75
border-end-start-radius 89 66 89 15 75
border-image 11 15 16 6 15
border-image-outset 11 15 15 6 15
border-image-repeat 11 15 15 6 15
border-image-slice 11 15 15 6 15
border-image-source 11 15 15 6 15
border-image-width 11 13 15 6 15
border-inline 87 66 87 14.1 73
border-inline-color 87 66 87 14.1 73
border-inline-end 79 41 69 12.1 56
border-inline-end-color 79 41 69 12.1 56
border-inline-end-style 79 41 69 12.1 56
border-inline-end-width 79 41 69 12.1 56
border-inline-start 79 41 69 12.1 56
border-inline-start-color 79 41 69 12.1 56
border-inline-start-style 79 41 69 12.1 56
border-inline-start-width 79 41 69 12.1 56
border-inline-style 87 66 87 14.1 73
border-inline-width 87 66 87 14.1 73
border-left 4 1 1 1 3.5
border-left-color 4 1 1 1 3.5
border-left-style 5.5 1 1 1 9.2
border-left-width 4 1 1 1 3.5
border-radius 9 4 5 5 10.5
border-right 4 1 1 1 3.5
border-right-color 4 1 1 1 3.5
border-right-style 5.5 1 1 1 9.2
border-right-width 4 1 1 1 3.5
border-spacing 8 1 1 1 4
border-start-end-radius 89 66 89 15 75
border-start-start-radius 89 66 89 15 75
border-style 4 1 1 1 3.5
border-top 4 1 1 1 3.5
border-top-color 4 1 1 1 3.5
border-top-left-radius 9 4 5 5 10.5
border-top-right-radius 9 4 5 5 10.5
border-top-style 5.5 1 1 1 9.2
border-top-width 4 1 1 1 3.5
border-width 4 1 1 1 3.5
bottom 5 1 1 1 6
box-decoration-break 79 32 22 6.1 15
box-shadow 9 4 10 5.1 10.5
box-sizing 8 29 10 5.1 9.5
break-after 10 65 50 10 37
break-before 10 65 50 10 37
break-inside 10 65 50 10 37
C          
caption-side 8 1 1 1 4
caret-color 79 53 57 11.1 44
@charset 12 1.5 2 4 9
clear 5 1 1 1 6
clip 8 1 1 1 7
clip-path 79 3.5 55 9.1 42
color 3 1 1 1 3.5
color-scheme 81 96 81 13 68
column-count 10 52 50 9 37
column-fill 10 52 50 10 37
column-gap 84 63 84 14.1 70
column-rule 10 52 50 9 37
column-rule-color 10 52 50 9 37
column-rule-style 10 52 50 9 37
column-rule-width 10 52 50 9 37
column-span 10 71 50 9 37
column-width 10 52 50 9 37
columns 10 52 50 9 37
@container 105 110 105 16 91
content 8 1 1 1 4
counter-increment 8 2 4 3.1 9.6
counter-reset 8 2 4 3.1 9.6
counter-set 85 68 85 17.2 71
@counter-style 91 33 91 17 77
cursor 5.5 4 5 5 9.6
D          
direction 5.5 1 2 1.3 9.2
display 8 3 4 3.1 7
E          
empty-cells 8 1 1 1.2 4
F          
filter 13 35 53 9.1 40
flex 11 28 29 9 17
flex-basis 11 28 29 9 17
flex-direction 11 28 29 9 17
flex-flow 11 28 29 9 17
flex-grow 11 28 29 9 17
flex-shrink 11 28 29 9 17
flex-wrap 11 28 29 9 17
float 4 1 1 1 7
font 4 1 1 1 3.5
@font-face 9 3.5 4 3.1 10
font-family 4 1 1 1 3.5
font-feature-settings 10 34 48 9.1 35
@font-feature-values 34
font-kerning 79 34 33 9.1 20.1
font-language-override 34
@font-palette-values 101 107 101 15.4 87
font-size 5.5 1 1 1 7
font-size-adjust 127 3 127 17 113
font-stretch 9 9 48 11 35
font-style 4 1 1 1 7
font-synthesis 97 34 97 10 83
font-variant 4 1 1 1 3.5
font-variant-alternates 111 34 111 9.1 97
font-variant-caps 79 34 52 9.1 39
font-variant-east-asian 79 34 63 9.1 50
font-variant-ligatures 79 34 34 9.1 21
font-variant-numeric 79 34 52 9.1 39
font-variant-position 117 34 117 9.1 103
font-weight 4 1 2 1.3 3.5
G          
gap 84 63 84 14.1 70
grid 10 52 57 10 44
grid-area 10 52 57 10 44
grid-auto-columns 10 52 57 10 44
grid-auto-flow 10 52 57 10 44
grid-auto-rows 10 52 57 10 44
grid-column 10 52 57 10 44
grid-column-end 10 52 57 10 44
grid-column-start 10 52 57 10 44
grid-row 10 52 57 10 44
grid-row-end 10 52 57 10 44
grid-row-start 10 52 57 10 44
grid-template 10 52 57 10 44
grid-template-areas 10 52 57 10 44
grid-template-columns 10 52 57 10 44
grid-template-rows 10 52 57 10 44
H          
hanging-punctuation
height 4 1 1 1 7
hyphens 79 43 55 17 44
hyphenate-character 106 98 106 17 92
I          
image-rendering 79 65 41 10 28
@import 5.5 1 1 1 3.5
initial-letter 110 110 9 96
inline-size 79 41 57 12.1 44
inset 87 66 87 14.1 73
inset-block 87 63 87 14.1 73
inset-block-end 87 63 87 14.1 73
inset-block-start 87 63 87 14.1 73
inset-inline 87 63 87 14.1 73
inset-inline-end 87 63 87 14.1 73
inset-inline-start 87 63 87 14.1 73
isolation 79 36 41 7.1 30
J          
justify-content 11 28 29 9 17
justify-items 16 45 57 10.1 44
justify-self 16 45 57 10.1 44
K          
@keyframes 10 16 43 9 30
L          
@layer 99 97 99 15.4 86
left 5.5 1 1 1 5
letter-spacing 4 1 1 1 3.5
line-break 14 69 58 11 45
line-height 4 1 1 1 7
list-style 4 1 1 1 7
list-style-image 4 1 1 1 7
list-style-position 4 1 1 1 3.5
list-style-type 4 1 1 1 3.5
M          
margin 6 1 1 1 3.5
margin-block 87 66 87 14.1 73
margin-block-end 87 41 87 12.1 73
margin-block-start 87 41 87 12.1 73
margin-bottom 6 1 1 1 3.5
margin-inline 87 66 87 14.1 73
margin-inline-end 87 41 87 12.1 73
margin-inline-start 87 41 87 12.1 73
margin-left 6 1 1 1 3.5
margin-right 6 1 1 1 3.5
margin-top 6 1 1 1 3.5
marker 80 72 80 13.1 67
marker-end 80 72 80 13.1 67
marker-mid 80 72 80 13.1 67
marker-start 80 72 80 13.1 67
mask 120 53 120 15.4 106
mask-clip 120 53 120 15.4 106
mask-composite 120 53 120 15.4 106
mask-image 120 53 120 15.4 15
mask-mode 120 53 120 15.4 106
mask-origin 120 53 120 15.4 106
mask-position 120 53 120 15.4 106
mask-repeat 120 53 120 15.4 106
mask-size 120 53 120 15.4 106
mask-type 79 35 24 7 15
max-block-size 79 41 57 12.1 44
max-height 7 1 1 2 7
max-inline-size 79 41 57 12.1 44
max-width 7 1 1 2 7
@media 9 3.5 21 4 9
min-block-size 79 41 57 12.1 44
min-inline-size 79 41 57 12.1 44
min-height 7 1 1 2 4
min-width 7 1 1 2 4
mix-blend-mode 79 32 41 8 35
N          
@namespace 12 1 1 1 8
O          
object-fit 16 36 31 7.1 19
object-position 16 36 31 7.1 19
offset 79 72 55 16 42
offset-anchor 116 72 116 16 102
offset-distance 79 72 55 16 42
offset-path 79 72 55 15.4 45
offset-position 116 122 116 16 102
offset-rotate 79 72 56 16 43
opacity 9 2 4 3.1 9
order 11 28 29 9 17
orphans 8 25 3.1 10
outline 8 1.5 1 1.2 7
outline-color 8 1.5 1 1.2 7
outline-offset 15 3.5 4 3 10.5
outline-style 8 1.5 1 1.2 7
outline-width 8 1.5 1 1.2 7
overflow 4 1 1 1 7
overflow-anchor 79 66 56 43
overflow-wrap 18  49 23 6.1 12.1
overflow-x 9 3.5 4 3 9.5
overflow-y 9 1.5 4 3 9.5
overscroll-behavior 18 59 63 16 50
overscroll-behavior-block 79 73 77 16 64
overscroll-behavior-inline 79 73 77 16 64
overscroll-behavior-x 18 59 63 16 50
overscroll-behavior-y 18 59 63 16 50
P          
padding 4 1 1 1 3.5
padding-block 87 66 87 14.1 73
padding-block-end 87 41 87 12.1 73
padding-block-start 87 41 87 12.1 73
padding-bottom 4 1 1 1 3.5
padding-inline 87 66 87 14.1 73
padding-inline-end 87 41 87 12.1 73
padding-inline-start 87 41 87 12.1 73
padding-left 4 1 1 1 3.5
padding-right 4 1 1 1 3.5
padding-top 4 1 1 1 3.5
@page 12 19 12 6
page-break-after 4 1 1 1.2 7
page-break-before 4 1 1 1.2 7
page-break-inside 8 19 1 1.3 7
paint-order 17 60 35 8 22
perspective 10 16 36 9 23
perspective-origin 10 16 36 9 23
place-content 79 53 59 11 46
place-items 79 45 59 11 46
place-self 79 45 59 11 46
pointer-events 11 3.6 2 4 9
position 7 1 1 1.2 4
@property 85 128 85 16.4 71
Q          
quotes 8 1.5 11 5.1 4
R          
resize 79 5 4 4 15
right 5.5 1 1 1 5
rotate 104 72 104 14.1 90
row-gap 84 63 84 14.1 70
S          
scale 104 72 104 14.1 90
@scope 118 118 17.4 104
scroll-behavior 79 36 61 14 48
scroll-margin 79 90 69 14.1 56
scroll-margin-block 79 68 69 14.1 56
scroll-margin-block-end 79 68 69 14.1 56
scroll-margin-block-start 79 68 69 14.1 56
scroll-margin-bottom 79 68 69 14.1 56
scroll-margin-inline 79 68 69 14.1 56
scroll-margin-inline-end 79 68 69 14.1 56
scroll-margin-inline-start 79 68 69 14.1 56
scroll-margin-left 79 68 69 14.1 56
scroll-margin-right 79 68 69 14.1 56
scroll-margin-top 79 68 69 14.1 56
scroll-padding 79 90 69 14.1 56
scroll-padding-block 79 68 69 14.1 56
scroll-padding-block-end 79 68 69 14.1 56
scroll-padding-block-start 79 68 69 14.1 56
scroll-padding-bottom 79 68 69 14.1 56
scroll-padding-inline 79 68 69 14.1 56
scroll-padding-inline-end 79 68 69 14.1 56
scroll-padding-inline-start 79 68 69 14.1 56
scroll-padding-left 79 68 69 14.1 56
scroll-padding-right 79 68 69 14.1 56
scroll-padding-top 79 68 69 14.1 56
scroll-snap-align 79 68 69 11 56
scroll-snap-stop 79 68 69 11 56
scroll-snap-type 79 68 69 11 56
scrollbar-color 121 64 121 107
scrollbar-gutter 94 97 94 80
scrollbar-width 121 64 121 107
shape-image-threshold 79 62 37 10.1 24
shape-margin 79 62 37 10.1 24
shape-outside 79 62 37 10.1 24
shape-rendering 80 72 80 13.1 67
@starting-style 117 129 117 17.5 103
@supports 12 22 28 9 12.1
T          
tab-size 79 91 21 7 15
table-layout 5 1 14 1 7
text-align 3 1 1 1 3.5
text-align-last 12 49 47 16 34
text-combine-upright 79 48 48 15.4 35
text-decoration 3 1 1 1 3.5
text-decoration-color 79 36 57 12.1 44
text-decoration-line 79 36 57 12.1 44
text-decoration-style 79 36 57 12.1 44
text-decoration-thickness 89 70 89 12.1 75
text-emphasis 99 46 99 7 85
text-emphasis-color 99 46 99 7 85
text-emphasis-position 99 46 99 7 85
text-emphasis-style 99 46 99 7 85
text-indent 3 1 1 1 3.5
text-justify 55
text-orientation 79 41 48 14 35
text-overflow 6 7 4 3.1 11
text-shadow 10 3.5 4 4 9.6
text-transform 4 1 1 1 7
text-underline-offset 87 70 87 12.1 73
text-underline-position 79 74 33 12.1 20
top 5 1 1 1 6
touch-action 12 52 36 13 23
transform 12 16 36 9 23
transform-origin 12 16 36 9 23
transform-style 12 16 36 9 23
transition 10 16 26 6.1 12.1
transition-delay 10 16 26 6.1 12.1
transition-duration 10 16 26 6.1 12.1
transition-property 10 16 26 6.1 12.1
transition-timing-function 10 16 26 6.1 12.1
translate 104 72 104 14.1 90
U          
unicode-bidi 5.5 1 2 1.3 9.2
user-select 79 69 54 3.1 41
V          
vertical-align 4 1 1 1 4
visibility 4 1 1 1 4
W          
white-space 8 3.5 1 3 9.5
widows 8 25 7 10
width 4 1 1 1 3.5
will-change 79 36 36 9.1 24
word-break 5.5 15 4 3.1 15
word-spacing 6 1 1 1 3.5
word-wrap 5.5 3.5 4 3.1 10.5
writing-mode 12 41 48 11 35
Z          
z-index 4 3 1 1 4
zoom 12 126 1 3.1 15

Icon Explanations

Supported by Edge
Supported by Firefox
Supported by Chrome
Supported by Safari
Supported by Opera

Supported by Edge with prefix -webkit-
Supported by Firefox with prefix -moz-
Supported by Chrome with prefix -webkit-
Supported by Safari with prefix -webkit-
Supported by Opera with prefix -webkit-

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