Css 简明教程
CSS - References
此综合参考材料适用于网络开发者，其中包括由万维网联盟推荐的层叠样式表规范中所规定的所有 CSS 属性列表。
This comprehensive reference for web developers includes a list of all the CSS properties specified in the recommended specification for Cascading Style Sheets, by the World Wide Web Consortium.
以下是按字母顺序排列的所有 CSS 属性列表。
Following is the list of all CSS properties arranged alphabetically.
Property |
Description |
Sets a highlight color for controls on user interfaces. |
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Specifies how the flex lines are distributed inside a flex container along it’s cross-axis or grid’s block-axis. |
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Describes how objects inside a flexible container should be aligned. |
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Defines how selected objects inside a flexible container should be aligned. |
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Resets all the properties except unicode-bidi and direction. |
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Applies animation between styles. Shorthand for all the animation properties. |
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Defines a pause before an animation begins. |
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Specifies whether an animation should play in reverse, forward, or alternating cycles. |
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Indicates the amount of time an animation should take to finish one cycle. |
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Defines the styles to be applied on the target element before and after the animation. |
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Defines how many times an animation should be played. |
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Gives the @keyframes animation a name. |
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Specifies whether an animation is running or paused. |
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Gives an animation’s speed curve specifications. |
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Defines an element’s desired aspect ratio. |
Property |
Description |
Defines a visual impact on the space behind an element. |
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Specifies whether an element’s back face should be revealed when facing the user. |
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Shorthand property for all background style properties. |
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Determines if a background picture is fixed or gets scrolled with the page. |
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Sets the way the background images get blended with each other and with it’s background color. |
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Defines the extension of the background within an element. |
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Defines the color of an element’s background. |
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Sets the background image for an element. |
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Describes the location of a background image’s origin. |
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Sets the starting position of the background image. |
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Sets the position of the background image on the x-axis. |
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Sets the position of the background image on the y-axis. |
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Determines whether and how a background image should be repeated. |
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Defines the dimensions of the background image. |
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Sets the border of an element. |
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Shorthand for setting the logical block border property values. |
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Defines the color of the borders in the block direction at the start and end. |
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Shorthand property for setting the logical block end border properties. |
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Defines the color of the logical block-end border of an element. |
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Defines the style of the logical block-end border of an element. |
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Defines the width of the logical block-end border of an element. |
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Shorthand property for setting the logical block-start border properties. |
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Defines the color of the logical block-start border of an element. |
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Defines the style of the logical block start border of an element. |
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Defines the width of the logical block-start border of an element. |
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Defines the style of the logical block borders of an element. |
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Defines the width of the logical block borders of an element. |
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Shorthand property sets the element’s bottom border. |
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Sets the color of an element’s bottom border. |
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Rounds the bottom-left corner of an element. |
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Rounds the bottom-right corner of an element. |
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Sets the style of the bottom border. |
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Sets the width of the bottom border. |
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Specifies whether the borders of a table should be divided or collapsed into a single border. |
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Sets the color of the border(s). |
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Defines a logical border radius on an element. |
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Defines a logical border radius on an element. |
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Sets an image as border to an element. |
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Defines how much of the border image area goes outside of the border box. |
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Specifies whether the border image should be stretched, rounded, or repeated. |
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Divides the border image into regions. |
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Defines the path to the image that will be used as the border. |
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Sets the width of the border image. |
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Shorthand property for setting the individual logical inline border property values. |
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Defines the color of the logical inline borders of an element. |
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Shorthand property for setting the logical inline-end border property values. |
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Sets the color of the logical inline-end border. |
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Sets the style of the logical inline-end border. |
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Sets the width of the logical inline-end border. |
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Shorthand property for setting the logical inline-start border property values. |
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Sets the color of the logical inline-start border. |
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Sets the style of the logical inline-start border. |
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Sets the width of the logical inline-start border. |
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Defines the style of the logical inline borders of an element. |
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Defines the width of the logical inline borders of an element. |
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Shorthand for setting all the properties of the left border of an element. |
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Defines the color of the left border of an element. |
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Defines the style of the left border of an element. |
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Defines the width of the left border of an element. |
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Rounds the corners of an element’s outer border edge. |
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Shorthand for setting all the properties of the right border of an element. |
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Defines the color of the right border of an element. |
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Defines the style of the right border of an element. |
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Defines the width of the right border of an element. |
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Defines a distance between borders of adjacent cells in a table. |
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Defines a logical border radius on an element, between the block-start and inline-end sides. |
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Defines a logical border radius on an element, between the block-start and inline-start sides. |
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Sets the line style for all four sides of an element’s border. |
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Shorthand property setting all the properties of the top border of an element. |
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Defines the color of the top border. |
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Rounds the top-left corner of an element. |
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Rounds the top-right corner of an element. |
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Sets the line style of top border of an element. |
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Sets the width of top border of an element. |
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Sets the width of an element’s border. |
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Sets the vertical position of an element. |
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Defines how an element’s border and background will behave during page breaks or, in the case of inline elements, at line breaks. |
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Adds a shadow effect around an element. |
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Sets the way, the total width and height of an element is calculated. |
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Defines whether the given element should be followed by a page, column, or region break. |
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Defines whether a region, page, or column break should come before the given element. |
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Defines if the given element should have a page, column, or region break inside of it. |
Property |
Description |
Defines where a table caption should be positioned. |
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Defines the color of the editable cursor (caret) in text areas, input fields, and other elements. |
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Provides details about the character encoding that the style sheet uses. |
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Defines the behavior of the element next to a floating element. |
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Clips an element that is precisely positioned. |
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Creates a clipping region that sets the part of the element to be shown. |
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Defines the foreground color of a text. |
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Defines the number of columns into which an element should be divided. |
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Controls an element’s contents and break it into columns. |
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Defines the size of the gap that exists between the columns. |
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Shorthand property for setting the color, style, and width of the line drawn in between columns. |
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Defines the color of the rule that appears between columns. |
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Defines the rule’s style in between columns. |
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Defines how wide the rule should be between columns. |
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Defines the number of columns that an element should span across. |
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Defines the width of the column. |
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Shorthand property for setting the width and count of columns. |
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Replaces content with a generated value. |
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Used to increase or decrease the value of named CSS counters. |
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Creates named CSS counters and initializes a specific value to them. |
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Sets a given value to a CSS counter. |
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Defines the mouse pointer that will be displayed when pointing at an item. |
Property |
Description |
Sets the direction of the text, table columns, and horizontal overflow. |
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Defines the display method for a certain HTML element. |
Property |
Description |
Defines whether borders and backgrounds to be shown on empty cells in a table. |
Property |
Description |
Applies graphical effects to an element. |
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Shorthand property that sets whether a flex item will grow or shrink. |
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Defines the starting length of a flexible object. |
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Defines the flexible elements' direction in a flex container. |
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Shorthand property for specifying the direction and wrapping behavior of a flex container. |
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Defines the extent that the item will grow in comparison to the others. |
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Defines the shrinking of the item in relation to the others. |
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Defines if the flexible elements need to be wrapped or not. |
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Places an element on left or right side of its container. |
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Shorthand property for setting all the font related properties. |
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A rule that allows websites to download and utilize fonts other than the web-safe fonts. |
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Defines the text’s font family. |
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Gives users command over OpenType fonts' sophisticated typographic capabilities. |
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Determines how the kerning information, the spacing between letters, is used. |
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Determines how glyphs, unique to a certain language, are used in a font. |
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Determines the font size of the text. |
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Preserves text readability in the event of a font fallback. |
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Selects the standard, condensed, or expanded face of a font. |
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Sets the text’s font style. |
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Determines whether or not the browser should synthesize a style that are missing in a font-family. |
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Sets all the font variants for a font. |
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Controls the use of alternate glyphs. |
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Controls the use of alternate glyphs used for small capitals. |
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Regulates the use of alternate glyphs for East Asian scripts, such as Chinese and Japanese. |
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Regulates the usage of contextual forms and ligatures. |
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Regulates the use of different glyphs for ordinal markers, fractions, and integers. |
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Regulates the use of smaller alternate glyphs that are positioned as superscript or subscript. |
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Specifies the weight of a font. |
Property |
Description |
Shorthand property that sets the gaps for the rows and columns. |
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Shorthand property for setting all grid related properties in one declaration. |
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Shorthand property specifying the grid item’s size and location inside a grid. |
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Defines the default size of a column. |
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Defines the grid’s auto-placed item insertion process. |
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Defines the default row size. |
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Shorthand property specifying the grid item’s size and location inside a grid column. |
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Defines the end point of the grid item within grid column. |
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Defines the start point of the grid item within grid column. |
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Shorthand property specifying the grid item’s size and location inside a grid row. |
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Specifies the end point of grid item within grid row. |
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Defines the gap between rows in terms of size. |
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Specifies the start point of grid item within grid row. |
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Shorthand property specifying properties related to grid columns, grid rows and grid areas. |
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Defines named grid items and their use in displaying columns and rows. |
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Defines the number of and what size columns are there in a grid layout. |
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Defines the size of the rows in a grid layout. |
Property |
Description |
Defines an element’s height. |
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Defines how to divide words to enhance text layout. |
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Sets the character that will be used before a hyphenation break at the end of the line. |
Property |
Description |
Defines the kind of image scaling approach to be used. |
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Facilitates the importing of one style sheet into another. |
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Defines the horizontal and vertical size of an element’s block. |
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Indicates the distance an element is from its parent element. |
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Defines the logical block start and end offsets of an element. |
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Defines the logical block end offsets of an element. |
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Defines the logical block start offsets of an element. |
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Defines the logical start and end offsets of an element in the inline direction. |
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Defines the distance, measured in the inline direction, between an element’s end and its parent element. |
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Defines the distance, measured in the inline direction, between an element’s start and it’s parent element. |
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Defines if a new stacking content must be created by an element. |
Property |
Description |
Defines how space is distributed between and around content items in a flex and grid container. |
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Defines how grid elements should be aligned along the horizontal axis within a grid container. |
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Defines how a grid item should be aligned in the inline direction that resides within a grid container. |
Property |
Description |
Defines a set of keyframes for animations or transitions. |
Property |
Description |
Defines the horizontal position of an element. |
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Sets the horizontal spacing between text characters. |
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Defines if and how to break lines of East Asian scripts. |
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Defines the height of a line box. |
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Shorthand property to set all the list style properties in single declaration. |
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Sets an image as the list item marker. |
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Sets the position of the marker in a list. |
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Defines the kind of list item marker. |
Property |
Description |
Shorthand property to set the margins on all four sides of an element. |
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Shorthand property defining the logical block start and end margins for an element. |
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Defines the logical block end margin of an element. |
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Defines the logical block start margin of an element. |
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Sets the margin area on the bottom of an element. |
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Defines the logical block start margin of an element. |
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Defines the logical inline start and end margins of an element. |
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Defines the logical inline end margin of an element. |
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Defines the logical inline strat margin of an element. |
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Sets the margin area on the left side of an element. |
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Sets the margin area on the right side of an element. |
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Sets the margin on the top side of an element. |
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Masks or clips the image at particular points to hide an element (partially or completely). |
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Determines the area covered by a mask. |
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Displays the mask layers that are below the current mask layer after a compositing operation is performed. |
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Sets an image to be used as an element’s mask layer. |
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Defines whether the mask reference given by mask-image should be considered as a luminance or alpha mask. |
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Defines the origin of the mask image. |
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Defines the positioning of a mask image within an element. |
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Defines how a mask image should be repeated within an element. |
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Defines the size of a mask image applied to an element using the mask-image property. |
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Sets an SVG <mask> element as a luminance or an alpha mask. |
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Sets an upper bound on the height of an element. |
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Sets an upper bound on the width of an element. |
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Sets CSS style rules for specific media types, devices, and sizes. |
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Sets the maximum size of an element in the opposite direction to its writing direction. |
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Defines the horizontal or vertical maximum size of an element’s block. |
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Sets the minimum size, either horizontally or vertically of an element’s block based on its writing mode. |
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Defines the minimum horizontal or vertical size of an element’s block. |
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Sets a lower bound on the height of an element. |
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Sets a lower bound on the width of an element. |
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Defines how the element’s content should blend with the content of its parent and the element’s background. |
Property |
Description |
Defines how an image or video should be resized or cropped to fit within its container. |
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Defines the position of the content inside an element that has a defined size. |
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Shorthand property that makes it easier for an element to animate along a certain path. |
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Defines the moving position of an element inside a box traveling along an offset-path. |
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Defines the position along an offset-path where an element should be placed. |
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Defines an element’s path inside its parent container or SVG coordinate system. |
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Defines the orientation or direction of an element as it moves along the specified offset-path. |
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Sets the transparency of an element. |
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Defines the order in which flex items appear within a flex container. |
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Defines the minimum number of lines required at the bottom of a page, region, or column to prevent a break. |
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Sets the width, color, and style of an outline around an element. |
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Sets the color of an outline around an element. |
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Defines the space between an outline and the border edge of an element. |
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Determines the style of an outline around an element. |
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Defines the width of the outline around an element. |
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Defines how to handle content that overflows the boundaries of its container. |
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Provides a way to disable the browser’s scroll anchoring behavior, which adjusts scroll position to reduce content shifting. |
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Allows the browser to split a line of text into an unbreakable string to keep the content from overflowing its container. |
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Defines the distance that content can overflow the element’s box before being clipped. |
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Defines that an element’s content will overflow to its left and right margins, as well as horizontally. |
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Defines how the content of a block-level element is displayed when it exceeds the element’s top and bottom edges. |
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Defines how the content of an element behaves when it exceeds the left and right boundaries of its box. |
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Defines how overflowing content is displayed when it overflows the inline edges of an element. |
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Determines what a browser does when the boundary of a scrolling area is reached. |
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Determines how the browser behaves when the block direction border of a scrolling region is reached. |
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Determines how the browser behaves when the inline direction border of a scrolling region is reached. |
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Determines what a browser does when the horizontal boundary of a scrolling area is reached. |
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Determines what a browser does when the vertical boundary of a scrolling area is reached. |
Property |
Description |
Shorthand property that defines the padding for all sides of an element. |
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Determines the logical block start and end padding of an element. |
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Determines the logical block end padding of an element. |
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Sets the width of the padding on the bottom of an element. |
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Sets the width of the padding on the bottom of an element. |
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Determines the logical inline start and end padding of an element. |
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Determines the logical inline end padding of an element. |
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It is used to create custom counter styles. |
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Sets the padding space on the left side of an element. |
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Sets the padding space on the right side of an element. |
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Sets the padding space on the top side of an element. |
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Defines the distance between the z=0 plane and the user. |
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Defines the position at which viewer / user is looking. |
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Aligns content in both the block (column) and inline (row) axes simultaneously. |
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Aligns the items within the grid and flexbox container along both the block (column) and inline (row) axes. |
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Aligns the individual items in both block and inline directions simultaneously. |
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Determines whether or not an element receive pointer events. |
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Defines the position of an element on a web page. |
Property |
Description |
Defines the style of quotation marks to be used for embedded quotes. |
Property |
Description |
Defines if and how a user can resize an element. |
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Controls the horizontal position of an element |
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Defines the way an element rotates. |
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Defines the gap between the grid rows. |
Property |
Description |
Specifies the scale transformation of elements, independent of transform property. |
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Defines how smoothly the browser scrolls when a user clicks on a link or uses the scroll bar. |
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Defines the margin of an element within the snap area. |
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Shorthand property that defines the margin of the scroll snap area at the block axis. |
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Defines the margin of the scroll snap area at the end of the block axis. |
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Defines the margin of the scroll snap area at the start of the block axis. |
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Defines the margin at the bottom of a scrolling container. |
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Sets the scroll margin of an element in the line (horizontal axis) dimension. |
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Defines the margin for the scroll snap region at the end of the horizontal dimension. |
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Defines the margin for the scroll snap area at the start of the horizontal dimension. |
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Defines the bottom margin of the scroll snap area of an element. |
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Defines the left margin of the scroll snap area of an element. |
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Defines the top margin of the scroll snap area of an element. |
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Defines the right margin of the scroll snap area of an element. |
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Defines the scroll padding between the edge of the scroll container and the area of an element that snaps into place once scrolling stops. |
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Defines the scroll padding of an element in the block dimension. |
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Defines the offsets for the start edge of the scroll padding of an element in the block dimension. |
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Defines the offsets for the end edge of the scroll padding of an element in the block dimension. |
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Defines the bottom offset of the scroll snap area of an element. |
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Defines the amount of space between the left edge of the scroll container and the scroll snap area of an element. |
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Defines the amount of space between the right edge of the scroll container and the scroll snap area of an element. |
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Defines the top offset of the scroll snap area of an element. |
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Defines the scroll padding of an element in the inline dimension. |
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Defines the offsets for the start edge of the scrollport, in the inline dimension. |
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Defines the offsets for the end edge of the scrollport, in the inline dimension. |
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Defines how a snapped element is positioned within its snap container. |
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Determines whether the scroll container will scroll past or stick to the nearest snap positions. |
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Defines how the scroll container snaps to snap positions. |
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Defines the color of the scrollbar track and thumb. |
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Used to style the width of scrollbar track and thumb. |
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It helps to create a fixed space for the scrollbar. |
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Specifies the alpha channel threshold for shape extraction when using an image with the shape-outside property. |
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Defines the margin around a specified CSS shape. |
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Defines a shape around which inline content should wrap. |
Property |
Description |
Defines the width of tab characters within an element. |
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Defines the way the <table> cells, rows, and columns are displayed. |
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Defines the alignment of the text with the margin of the page. |
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Sets the way the last line of a block or a line, just before a forced line break, is aligned. |
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Defines how to fit several characters into a single character’s area. |
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Defines the decoration added to text. |
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Defines the color of the text decoration. |
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Used to add a decoration line to the text. |
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Used to add style to the text decoration line. |
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Used to add thickness to the text decoration line. |
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Shorthand property that is used to add emphasis to text. |
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Used to set the color of the emphasis marks around a text. |
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Used to set the position of the emphasis mark around a text. |
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Defines the appearance of emphasis marks. |
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Defines the indentation of the first line of the text. |
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Defines the orientation of text characters in a line. |
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Controls how hidden overflow content is displayed to users. |
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Used to add a shadow effect to text. |
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Change the appearance of text by transforming it in various ways. |
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Defines the distance of an underline text decoration line from its initial position. |
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Defines where the underlining text decoration should be positioned. |
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Defines vertical position of an element relative to its containing element. |
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It is useful in rotation, scaling, skewing, or translation of an element. |
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Defines the layout box to which transformation properties relate. |
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Helps in setting the origin for the transformation of an element. |
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Defines the 3D space rendering of nested items. |
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A property that works as a shorthand for every transition property. |
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Defines the amount of time to wait before starting a transition effect |
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Defines the amount of time that a transition animation should take to complete. |
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Defines which CSS properties should have a transition effect applied. |
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Defines the transition effect’s speed curve. |
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Allows you to move an element along the X, Y, and Z axes. |
Property |
Description |
Controls how bidirectional text is displayed in a document. |
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Determines if text can be selected by the user. |
Property |
Description |
Defines an element’s vertical alignment. |
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Defines if an element needs to be shown or hidden without changing the layout of a document. |
Property |
Description |
Defines the white space flow inside the text in an element. |
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Defines how many lines a page or column must have left at the top. |
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Defines the width of an element’s content area. |
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Defines how words should be broken or wrapped in case they exceed the available width of an element. |
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Defines the space between the words in a text. |
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Defines if text should be displayed vertically or horizontally. |
Property |
Description |
Controls the stacking order of elements in web page. |