CSS Reference
CSS Properties
A
accent-color
Specifies an accent color for user-interface controls
align-content
Specifies the alignment between the lines inside a flexible container when the items do not use all available space
align-items
Specifies the alignment for items inside a flexible container
align-self
Specifies the alignment for selected items inside a flexible container
all
Resets all properties (except unicode-bidi and direction)
animation
A shorthand property for all the animation-* properties
animation-delay
Specifies a delay for the start of an animation
animation-direction
Specifies whether an animation should be played forward, backward or
in alternate cycles
animation-duration
Specifies how long an animation should take to complete one cycle
animation-fill-mode
Specifies a style for the element when the animation is not playing (before
it starts, after it ends, or both)
animation-iteration-count
Specifies the number of times an animation should be played
animation-name
Specifies a name for the @keyframes animation
animation-play-state
Specifies whether the animation is running or paused
animation-timing-function
Specifies the speed curve of an animation
aspect-ratio
Specifies preferred aspect ratio of an element
B
backdrop-filter
Defines a graphical effect to the area behind an element
backface-visibility
Defines whether or not the back face of an element should be visible when facing the user
background
A shorthand property for all the background-* properties
background-attachment
Sets whether a background image scrolls with the rest of the page, or is fixed
background-blend-mode
Specifies the blending mode of each background layer (color/image)
background-clip
Defines how far the background (color or image) should extend within an
element
background-color
Specifies the background color of an element
background-image
Specifies one or more background images for an element
background-origin
Specifies the origin position of a background image
background-position
Specifies the position of a background image
background-position-x
Specifies the position of a background image on x-axis
background-position-y
Specifies the position of a background image on y-axis
background-repeat
Sets if/how a background image will be repeated
background-size
Specifies the size of the background images
block-size
Specifies the size of an element in block direction
border
A shorthand property for border-width, border-style and border-color
border-block
A shorthand property for border-block-width, border-block-style and border-block-color
border-block-color
Sets the color of the borders at start and end in the block direction
border-block-end
A shorthand property for border-block-end-width, border-block-end-style and border-block-end-color
border-block-end-color
Sets the color of the border at the end in the block direction
border-block-end-style
Sets the style of the border at the end in the block direction
border-block-end-width
Sets the width of the border at the end in the block direction
border-block-start
A shorthand property for border-block-start-width, border-block-start-style and border-block-start-color
border-block-start-color
Sets the color of the border at the start in the block direction
border-block-start-style
Sets the style of the border at the start in the block direction
border-block-start-width
Sets the width of the border at the start in the block direction
border-block-style
Sets the style of the borders at start and end in the block direction
border-block-width
Sets the width of the borders at start and end in the block direction
border-bottom
A shorthand property for border-bottom-width, border-bottom-style
and border-bottom-color
border-bottom-color
Sets the color of the bottom border
border-bottom-left-radius
Defines the radius of the border of the bottom-left corner
border-bottom-right-radius
Defines the radius of the border of the bottom-right corner
border-bottom-style
Sets the style of the bottom border
border-bottom-width
Sets the width of the bottom border
border-collapse
Sets whether table borders should collapse into a single border or be separated
border-color
Sets the color of the four borders
border-end-end-radius
Sets the radius of the corner between the block-end and the inline-end
sides of the element
border-end-start-radius
Sets the radius of the corner between the block-end and the inline-start
sides of the element
border-image
A shorthand property for all the border-image-* properties
border-image-outset
Specifies the amount by which the border image area extends beyond the border box
border-image-repeat
Specifies whether the border image should be repeated, rounded or stretched
border-image-slice
Specifies how to slice the border image
border-image-source
Specifies the path to the image to be used as a border
border-image-width
Specifies the width of the border image
border-inline
A shorthand property for border-inline-width, border-inline-style and border-inline-color
border-inline-color
Sets the color of the borders at start and end in the inline direction
border-inline-end
A shorthand property for border-inline-end-width, border-inline-end-style and border-inline-end-color
border-inline-end-color
Sets the color of the border at the end in the inline direction
border-inline-end-style
Sets the style of the border at the end in the inline direction
border-inline-end-width
Sets the width of the border at the end in the inline direction
border-inline-start
A shorthand property for border-inline-start-width, border-inline-start-style and border-inline-start-color
border-inline-start-color
Sets the color of the border at the start in the inline direction
border-inline-start-style
Sets the style of the border at the start in the inline direction
border-inline-start-width
Sets the width of the border at the start in the inline direction
border-inline-style
Sets the style of the borders at start and end in the inline direction
border-inline-width
Sets the width of the borders at start and end in the inline direction
border-left
A shorthand property for all the border-left-* properties
border-left-color
Sets the color of the left border
border-left-style
Sets the style of the left border
border-left-width
Sets the width of the left border
border-radius
A shorthand property for the four border-*-radius properties
border-right
A shorthand property for all the border-right-* properties
border-right-color
Sets the color of the right border
border-right-style
Sets the style of the right border
border-right-width
Sets the width of the right border
border-spacing
Sets the distance between the borders of adjacent cells
border-start-end-radius
Sets the radius of the corner between the block-start and the inline-end
sides of the element
border-start-start-radius
Sets the radius of the corner between the block-start and the inline-start
sides of the element
border-style
Sets the style of the four borders
border-top
A shorthand property for border-top-width, border-top-style and
border-top-color
border-top-color
Sets the color of the top border
border-top-left-radius
Defines the radius of the border of the top-left corner
border-top-right-radius
Defines the radius of the border of the top-right corner
border-top-style
Sets the style of the top border
border-top-width
Sets the width of the top border
border-width
Sets the width of the four borders
bottom
Sets the elements position, from the bottom of its parent element
box-decoration-break
Sets the behavior of the background and border of an element at page-break, or, for in-line elements, at line-break.
box-reflect
The box-reflect property is used to create a reflection of an element.
box-shadow
Attaches one or more shadows to an element
box-sizing
Defines how the width and height of an element are calculated: should
they include padding and borders, or not
break-after
Specifies whether or not a page-, column-, or region-break should occur
after the specified element
break-before
Specifies whether or not a page-, column-, or region-break should occur
before the specified element
break-inside
Specifies whether or not a page-, column-, or region-break should occur
inside the specified element
C
caption-side
Specifies the placement of a table caption
caret-color
Specifies the color of the cursor (caret) in inputs, textareas, or any
element that is editable
@charset
Specifies the character encoding used in the style sheet
clear
Specifies what should happen with the element that is next to a floating
element
clip
Deprecated in favor of clip-path. Clips an absolutely positioned element
clip-path
Clips an element to a basic shape or to an SVG source
color
Sets the color of text
color-scheme
Indicates which operating system color scheme an element should render
with
column-count
Specifies the number of columns an element should be divided into
column-fill
Specifies how to fill columns, balanced or not
column-gap
Specifies the gap between the columns
column-rule
A shorthand property for all the column-rule-* properties
column-rule-color
Specifies the color of the rule between columns
column-rule-style
Specifies the style of the rule between columns
column-rule-width
Specifies the width of the rule between columns
column-span
Specifies how many columns an element should span across
column-width
Specifies the column width
columns
A shorthand property for column-width and column-count
@container
Define styles for elements in container, depending on the container's
size or style
content
Used with the :before and :after pseudo-elements, to insert generated content
counter-increment
Increases or decreases the value of one or more CSS counters
counter-reset
Creates or resets one or more CSS counters
counter-set
Creates or sets one or more CSS counters
@counter-style
Lets you define your own counter styles
cursor
Specifies the mouse cursor to be displayed when pointing over an element
D
direction
Specifies the text direction/writing direction
display
Specifies how a certain HTML element should be displayed
E
empty-cells
Specifies whether or not to display borders and background on empty cells in a table
F
filter
Defines effects (e.g. blurring or color shifting) on an element before the element is displayed
flex
A shorthand property for the flex-grow, flex-shrink, and the
flex-basis
properties
flex-basis
Specifies the initial length of a flexible item
flex-direction
Specifies the direction of the flexible items
flex-flow
A shorthand property for the flex-direction and the flex-wrap properties
flex-grow
Specifies how much the item will grow relative to the rest
flex-shrink
Specifies how the item will shrink relative to the rest
flex-wrap
Specifies whether the flexible items should wrap or not
float
Specifies whether an element should float to the left, right, or not at
all
font
A shorthand property for the font-style, font-variant, font-weight,
font-size/line-height, and the font-family properties
@font-face
Specifies a custom font to use to display text
font-family
Specifies the font family for text
font-feature-settings
Allows control over advanced typographic features in OpenType fonts
font-kerning
Controls the usage of the kerning information (how letters are spaced)
font-language-override
Controls the usage of language-specific glyphs in a typeface
@font-palette-values
Allows you to customize the default values of a font-palette
font-size
Specifies the font size of text
font-size-adjust
Preserves the readability and size of text when fallback font occurs
font-stretch
Selects a normal, condensed, or expanded face from a font family
font-style
Specifies the font style for text
font-synthesis
Controls which missing typefaces (bold or italic) may be synthesized by the browser
font-variant
Specifies whether or not a text should be displayed in a small-caps font
font-variant-alternates
Controls the usage of alternate glyphs associated to alternative names defined in @font-feature-values
font-variant-caps
Controls the usage of alternate glyphs for capital letters
font-variant-east-asian
Controls the usage of alternate glyphs for East Asian scripts (e.g Japanese and Chinese)
font-variant-ligatures
Controls which ligatures and contextual forms are used in textual content of the elements it applies to
font-variant-numeric
Controls the usage of alternate glyphs for numbers, fractions, and ordinal markers
font-variant-position
Controls the usage of alternate glyphs of smaller size positioned as superscript or subscript regarding the baseline of the font
font-weight
Specifies the weight of a font
G
gap
A shorthand property for the row-gap and the column-gap properties
grid
A shorthand property for the grid-template-rows,
grid-template-columns, grid-template-areas, grid-auto-rows,
grid-auto-columns, and the grid-auto-flow properties
grid-area
Either specifies a name for the grid item, or this property is a shorthand property for the grid-row-start, grid-column-start, grid-row-end, and grid-column-end properties
grid-auto-columns
Specifies a default column size
grid-auto-flow
Specifies how auto-placed items are inserted in the grid
grid-auto-rows
Specifies a default row size
grid-column
A shorthand property for the grid-column-start and the grid-column-end properties
grid-column-end
Specifies where to end the grid item
grid-column-start
Specifies where to start the grid item
grid-row
A shorthand property for the grid-row-start and the grid-row-end properties
grid-row-end
Specifies where to end the grid item
grid-row-start
Specifies where to start the grid item
grid-template
A shorthand property for the grid-template-rows, grid-template-columns
and grid-areas properties
grid-template-areas
Specifies how to display columns and rows, using named grid items
grid-template-columns
Specifies the size of the columns, and how many columns in a grid layout
grid-template-rows
Specifies the size of the rows in a grid layout
H
hanging-punctuation
Specifies whether a punctuation character may be placed outside the line box
height
Sets the height of an element
hyphens
Sets how to split words to improve the layout of text
hypenate-character
Sets the character used at the end of line, before a hyphenation break
I
image-rendering
Specifies the type of algorithm to use for image scaling
@import
Allows you to import a style sheet into another style sheet
initial-letter
Specifies the size of the initial-letter and optionally the number of
lines the initial letter should sink (down in the text)
inline-size
Specifies the size of an element in the inline direction
inset
Specifies the distance between an element and the parent element
inset-block
Specifies the distance between an element and the parent element in the block direction
inset-block-end
Specifies the distance between the end of an element and the parent element in the block direction
inset-block-start
Specifies the distance between the start of an element and the parent element in the block direction
inset-inline
Specifies the distance between an element and the parent element in the inline direction
inset-inline-end
Specifies the distance between the end of an element and the parent element in the inline direction
inset-inline-start
Specifies the distance between the start of an element and the parent element in the inline direction
isolation
Defines whether an element must create a new stacking content
J
justify-content
Specifies the alignment between the items inside a flexible container when the items do not use all available space
justify-items
Is set on the grid container. Specifies the alignment of grid items in the inline direction
justify-self
Is set on the grid item. Specifies the alignment of the grid item in the inline direction
K
@keyframes
Controls the steps in an animation by defining styles for points along
the animation sequence
L
@layer
Controls how the CSS cascade layers evaluates the order of styles
left
Specifies the left position of a positioned element
letter-spacing
Increases or decreases the space between characters in a text
line-break
Specifies how/if to break lines
line-height
Sets the line height
list-style
Sets all the properties for a list in one declaration
list-style-image
Specifies an image as the list-item marker
list-style-position
Specifies the position of the list-item markers (bullet points)
list-style-type
Specifies the type of list-item marker
M
margin
Sets all the margin properties in one declaration
margin-block
Specifies the margin in the block direction
margin-block-end
Specifies the margin at the end in the block direction
margin-block-start
Specifies the margin at the start in the block direction
margin-bottom
Sets the bottom margin of an element
margin-inline
Specifies the margin in the inline direction
margin-inline-end
Specifies the margin at the end in the inline direction
margin-inline-start
Specifies the margin at the start in the inline direction
margin-left
Sets the left margin of an element
margin-right
Sets the right margin of an element
margin-top
Sets the top margin of an element
marker
Points to a marker that will be drawn on all vertices of an element's
path (the first, middle, and last)
marker-end
Points to a marker that will be drawn on the last vertex of an element's
path
marker-mid
Points to a marker that will be drawn on all the middle vertices of an
element's path
marker-start
Points to a marker that will be drawn on the first vertex of an
element's path
mask
A shorthand property for mask-image, mask-mode,
mask-repeat, mask-position, mask-clip, mask-origin,
mask-size and mask-composite
mask-clip
Specifies which area is affected by a mask image
mask-composite
Specifies a compositing operation used on the current mask layer with
the mask layers below it
mask-image
Specifies an image to be used as a mask layer for an element
mask-mode
Specifies whether the mask layer image is treated as a luminance mask or
as an alpha mask
mask-origin
Specifies the origin position (the mask position area) of a mask layer image
mask-position
Sets the starting position of a mask layer image (relative to the
mask position area)
mask-repeat
Specifies how the mask layer image is repeated
mask-size
Specifies the size of a mask layer image
mask-type
Specifies whether an SVG <mask> element is treated as a luminance
mask or as an alpha mask
max-height
Sets the maximum height of an element
max-width
Sets the maximum width of an element
@media
Sets the style rules for different media types/devices/sizes
max-block-size
Sets the maximum size of an element in the block direction
max-inline-size
Sets the maximum size of an element in the inline direction
min-block-size
Sets the minimum size of an element in the block direction
min-inline-size
Sets the minimum size of an element in the inline direction
min-height
Sets the minimum height of an element
min-width
Sets the minimum width of an element
mix-blend-mode
Specifies how an element's content should blend with its direct parent background
N
@namespace
Defines an XML namespace to be used in the style sheet
O
object-fit
Specifies how the contents of a replaced element should be fitted to the box established by its used height and width
object-position
Specifies the alignment of the replaced element inside its box
offset
A shorthand property for the offset-anchor, offset-distance,
offset-path, offset-position, and the offset-rotate
properties
offset-anchor
Specifies a point on an element that is fixed to the path it is animated along
offset-distance
Specifies the position along a path where an animated element is placed
offset-path
Specifies the path an element is animated along
offset-position
Specifies the initial position of an element along a path
offset-rotate
Specifies rotation of an element as it is animated along a path
opacity
Sets the opacity level for an element
order
Sets the order of the flexible item, relative to the rest
orphans
Sets the minimum number of lines that must be left at the bottom of a
page or column
outline
A shorthand property for the outline-width, outline-style, and
the outline-color properties
outline-color
Sets the color of an outline
outline-offset
Offsets an outline, and draws it beyond the border edge
outline-style
Sets the style of an outline
outline-width
Sets the width of an outline
overflow
Specifies what happens if content overflows an element's box
Specifies what happens if content overflows an element's box
overflow-anchor
Specifies whether or not content in viewable area in a scrollable contianer should be pushed down when new content is loaded above
Specifies whether or not content in viewable area in a scrollable contianer should be pushed down when new content is loaded above
overflow-wrap
Specifies whether or not the browser can break lines with long words, if
they overflow the container
overflow-x
Specifies whether or not to clip the left/right edges of the content, if it overflows the element's content area
overflow-y
Specifies whether or not to clip the top/bottom edges of the content, if it overflows the element's content area
overscroll-behavior
Specifies whether to have scroll chaining or overscroll affordance in x- and y-directions
overscroll-behavior-block
Specifies whether to have scroll chaining or overscroll affordance in the block direction
overscroll-behavior-inline
Specifies whether to have scroll chaining or overscroll affordance in the inline direction
overscroll-behavior-x
Specifies whether to have scroll chaining or overscroll affordance in x-direction
overscroll-behavior-y
Specifies whether to have scroll chaining or overscroll affordance in y-directions
P
padding
A shorthand property for all the padding-* properties
padding-block
Specifies the padding in the block direction
padding-block-end
Specifies the padding at the end in the block direction
padding-block-start
Specifies the padding at the start in the block direction
padding-bottom
Sets the bottom padding of an element
padding-inline
Specifies the padding in the inline direction
padding-inline-end
Specifies the padding at the end in the inline direction
padding-inline-start
Specifies the padding at the start in the inline direction
padding-left
Sets the left padding of an element
padding-right
Sets the right padding of an element
padding-top
Sets the top padding of an element
@page
Customizes the dimension, orientation, and margins of printed pages
page-break-after
Sets the page-break behavior after an element. Replaced by
break-after property
page-break-before
Sets the page-break behavior before an element. Replaced by
break-before property
page-break-inside
Sets the page-break behavior inside an element. Replaced by
break-inside property
paint-order
Sets the order of how an SVG element or text is painted.
perspective
Gives a 3D-positioned element some perspective
perspective-origin
Defines at which position the user is looking at the 3D-positioned element
place-content
Specifies align-content and justify-content property values for flexbox and grid layouts
place-items
Specifies align-items and justify-items property values for grid layouts
place-self
Specifies align-self and justify-self property values for grid layouts
pointer-events
Defines whether or not an element reacts to pointer events
position
Specifies the type of positioning method used for an element (static, relative, absolute or fixed)
@property
Defines custom CSS properties directly in the stylesheet without having to run any JavaScript
Q
quotes
Sets the type of quotation marks for embedded quotations
R
resize
Defines if (and how) an element is resizable by the user
right
Specifies the right position of a positioned element
rotate
Specifies the rotation of an element
row-gap
Specifies the gap between the grid rows
S
scale
Specifies the size of an element by scaling up or down
@scope
Allows you to select elements in specific DOM subtrees and target
elements precisely without writing overly-specific selectors
scroll-behavior
Specifies whether to smoothly animate the scroll position in a scrollable box, instead of a straight jump
scroll-margin
Specifies the margin between the snap position and the container
scroll-margin-block
Specifies the margin between the snap position and the container in the block direction
scroll-margin-block-end
Specifies the end margin between the snap position and the container in the block direction
scroll-margin-block-start
Specifies the start margin between the snap position and the container in the block direction
scroll-margin-bottom
Specifies the margin between the snap position on the bottom side and the container
scroll-margin-inline
Specifies the margin between the snap position and the container in the inline direction
scroll-margin-inline-end
Specifies the end margin between the snap position and the container in the inline direction
scroll-margin-inline-start
Specifies the start margin between the snap position and the container in the inline direction
scroll-margin-left
Specifies the margin between the snap position on the left side and the container
scroll-margin-right
Specifies the margin between the snap position on the right side and the container
scroll-margin-top
Specifies the margin between the snap position on the top side and the container
scroll-padding
Specifies the distance from the container to the snap position on the child elements
scroll-padding-block
Specifies the distance in block direction from the container to the snap position on the child elements
scroll-padding-block-end
Specifies the distance in block direction from the end of the container to the snap position on the child elements
scroll-padding-block-start
Specifies the distance in block direction from the start of the container to the snap position on the child elements
scroll-padding-bottom
Specifies the distance from the bottom of the container to the snap position on the child elements
scroll-padding-inline
Specifies the distance in inline direction from the container to the snap position on the child elements
scroll-padding-inline-end
Specifies the distance in inline direction from the end of the container to the snap position on the child elements
scroll-padding-inline-start
Specifies the distance in inline direction from the start of the container to the snap position on the child elements
scroll-padding-left
Specifies the distance from the left side of the container to the snap position on the child elements
scroll-padding-right
Specifies the distance from the right side of the container to the snap position on the child elements
scroll-padding-top
Specifies the distance from the top of the container to the snap position on the child elements
scroll-snap-align
Specifies where to position elements when the user stops scrolling
scroll-snap-stop
Specifies scroll behaviour after fast swipe on trackpad or touch screen
scroll-snap-type
Specifies how snap behaviour should be when scrolling
scrollbar-color
Specifies the color of the scrollbar of an element
shape-outside
Defines a shape for wrapping for the inline content
@starting-style
Defines an element's starting styles before the element gets its first
style update
@supports
Used to test whether a browser supports a CSS feature
T
tab-size
Specifies the width of a tab character
table-layout
Defines the algorithm used to lay out table cells, rows, and columns
text-align
Specifies the horizontal alignment of text
text-align-last
Describes how the last line of a block or a line right before a forced line break is aligned when text-align is "justify"
text-combine-upright
Specifies the combination of multiple characters into the space of a single character
text-decoration
Specifies the decoration added to text
text-decoration-color
Specifies the color of the text-decoration
text-decoration-line
Specifies the type of line in a text-decoration
text-decoration-style
Specifies the style of the line in a text decoration
text-decoration-thickness
Specifies the thickness of the decoration line
text-emphasis
A shorthand property for the text-emphasis-style and
text-emphasis-color properties
text-emphasis-color
Specifies the color of emphasis marks
text-emphasis-position
Specifies the position of emphasis marks
text-emphasis-style
Specifies the style of emphasis marks
text-indent
Specifies the indentation of the first line in a text-block
text-justify
Specifies the justification method used when text-align is "justify"
text-orientation
Defines the orientation of characters in a line
text-overflow
Specifies what should happen when text overflows the containing element
text-shadow
Adds shadow to text
text-transform
Controls the capitalization of text
text-underline-offset
Specifies the offset distance of the underline text decoration
text-underline-position
Specifies the position of the underline text decoration
top
Specifies the top position of a positioned element
transform
Applies a 2D or 3D transformation to an element
transform-origin
Allows you to change the position on transformed elements
transform-style
Specifies how nested elements are rendered in 3D space
transition
A shorthand property for all the transition-* properties
transition-delay
Specifies when the transition effect will start
transition-duration
Specifies how many seconds or milliseconds a transition effect takes to complete
transition-property
Specifies the name of the CSS property the transition effect is for
transition-timing-function
Specifies the speed curve of the transition effect
translate
Specifies the position of an element
U
unicode-bidi
Used together with the direction property to set or return whether the text should be overridden to support multiple languages in the same document
user-select
Specifies whether the text of an element can be selected
V
vertical-align
Sets the vertical alignment of an element
visibility
Specifies whether or not an element is visible
W
white-space
Specifies how white-space inside an element is handled
widows
Sets the minimum number of lines that must be left at the top of a page
or column
width
Sets the width of an element
word-break
Specifies how words should break when reaching the end of a line
word-spacing
Increases or decreases the space between words in a text
word-wrap
Allows long, unbreakable words to be broken and wrap to the next line
writing-mode
Specifies whether lines of text are laid out horizontally or vertically
Z
z-index
Sets the stack order of a positioned element
zoom
Specifies the zoom factor for an element. An element can be zoomed in and out