目录

CSS 参考


CSS 属性

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 forwards, backwards 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

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 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
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
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
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

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 A rule that allows websites to download and use fonts other than the "web-safe" fonts
font-family Specifies the font family for text
font-feature-settings Allows control over advanced typographic features in OpenType fonts
@font-feature-values Allows authors to use a common name in font-variant-alternate for feature activated differently in OpenType
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-size Specifies the font size of text
font-size-adjust Preserves the readability of text when font fallback 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-gap Specifies the size of the gap between columns
grid-column-start Specifies where to start the grid item
grid-gap A shorthand property for the grid-row-gap and grid-column-gap properties
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-gap Specifies the size of the gap between rows
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

image-rendering Specifies the type of algorithm to use for image scaling
@import Allows you to import a style sheet into another style sheet
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 Specifies the animation code

L

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

中号

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
mask Hides parts of an element by masking or clipping an image at specific places
mask-clip Specifies the mask area
mask-composite Represents 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

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 Is a shorthand, and specifies how to animate an element along a path
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-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
overflow-anchor
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

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-break-after Sets the page-break behavior after an element
page-break-before Sets the page-break behavior before an element
page-break-inside Sets the page-break behavior inside an element
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)

quotes Sets the type of quotation marks for embedded quotations

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
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

时间

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

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