Title: Theory / Unimportant / CS / Descriptive / Web / CSS3; / Entities;
Tags: récupéré FromInstruction computer_to_instruction hasNotNewEffectReturnsMeaning some_instruction seen_description
On every note of this deck, unless a note says otherwise:
Page: https://www.w3schools.com/cssref/default.asp

Instruction: writing-mode
Effect: EMPTY IN CSSREF
Language: CSS
Context: Writing Modes Properties
Extra: 3

Instruction: background-size
Effect: Specifies the size of the background image(s)
Language: css
Section: Background and Border Properties
Extra: 3

Instruction: border
Effect: Sets all the border properties in one declaration
Language: css
Section: Background and Border Properties
Extra: 1

Instruction: border-bottom
Effect: Sets all the bottom border properties in one declaration
Language: css
Section: Background and Border Properties
Extra: 1

Instruction: border-bottom-color
Effect: Sets the color of the bottom border
Language: css
Section: Background and Border Properties
Extra: 1

Instruction: border-bottom-left-radius
Effect: Defines the shape of the border of the bottom-left corner
Language: css
Section: Background and Border Properties
Extra: 3

Instruction: border-bottom-right-radius
Effect: Defines the shape of the border of the bottom-right corner
Language: css
Section: Background and Border Properties
Extra: 3

Instruction: border-bottom-style
Effect: Sets the style of the bottom border
Language: css
Section: Background and Border Properties
Extra: 1

Instruction: border-bottom-width
Effect: Sets the width of the bottom border
Language: css
Section: Background and Border Properties
Extra: 1

Instruction: border-color
Effect: Sets the color of the four borders
Language: css
Section: Background and Border Properties
Extra: 1

Instruction: border-image
Effect: A shorthand property for setting all the border-image-* properties
Language: css
Section: Background and Border Properties
Extra: 3

Instruction: border-image-outset
Effect: Specifies the amount by which the border image area extends beyond the border box
Language: css
Section: Background and Border Properties
Extra: 3

Instruction: border-image-repeat
Effect: Specifies whether the border image should be repeated, rounded or stretched
Language: css
Section: Background and Border Properties
Extra: 3

Instruction: border-image-slice
Effect: Specifies how to slice the border image
Language: css
Section: Background and Border Properties
Extra: 3

Instruction: border-image-source
Effect: Specifies the path to the image to be used as a border
Language: css
Section: Background and Border Properties
Extra: 3

Instruction: border-image-width
Effect: Specifies the widths of the image-border
Language: css
Section: Background and Border Properties
Extra: 3

Instruction: border-left
Effect: Sets all the left border properties in one declaration
Language: CSS
Section: Background and Border Properties
Extra: 1

Instruction: border-left-color
Effect: Sets the color of the left border
Language: css
Section: Background and Border Properties
Extra: 1

Instruction: border-left-style
Effect: Sets the style of the left border
Language: css
Section: Background and Border Properties
Extra: 1

Instruction: border-left-width
Effect: Sets the width of the left border
Language: css
Section: Background and Border Properties
Extra: 1

Instruction: border-radius
Effect: A shorthand property for setting all the four border-*-radius properties
Language: css
Section: Background and Border Properties
Extra: 3

Instruction: border-right
Effect: Sets all the right border properties in one declaration
Language: css
Section: Background and Border Properties
Extra: 1

Instruction: border-right-color
Effect: Sets the color of the right border
Language: css
Section: Background and Border Properties
Extra: 1

Instruction: border-right-style
Effect: Sets the style of the right border
Language: css
Section: Background and Border Properties
Extra: 1

Instruction: border-right-width
Effect: Sets the width of the right border
Language: css
Section: Background and Border Properties
Extra: 1

Instruction: border-style
Effect: Sets the style of the four borders
Language: css
Section: Background and Border Properties
Index: 1

Instruction: border-top
Effect: Sets all the top border properties in one declaration
Language: css
Section: Background and Border Properties
Extra: 1

Instruction: border-top-color
Effect: Sets the color of the top border
Language: css
Section: Background and Border Properties
Extra: 1

Instruction: border-top-left-radius
Effect: Defines the shape of the border of the top-left corner
Language: css
Section: Background and Border Properties
Extra: 3

Instruction: border-top-right-radius
Effect: Defines the shape of the border of the top-right corner
Language: css
Section: Background and Border Properties
Extra: 3

Instruction: border-top-style
Effect: Sets the style of the top border
Language: css
Section: Background and Border Properties
Extra: 1

Instruction: border-top-width
Effect: Sets the width of the top border
Language: css
Section: Background and Border Properties
Extra: 1

Instruction: border-width
Effect: Sets the width of the four borders
Language: css
Section: Background and Border Properties
Extra: 1

Instruction: box-decoration-break
Effect: Sets the behaviour of the background and border of an element at page-break, or, for in-line elements, at line-break.
Language: css
Section: Background and Border Properties
Extra: 3

Instruction: box-shadow
Effect: Attaches one or more drop-shadows to the box
Language: css
Section: Background and Border Properties
Extra: 3

Instruction: bottom
Effect: Specifies the bottom position of a positioned element
Language: css
Section: Basic Box Properties
Extra: 2

Instruction: clear
Effect: Specifies which sides of an element where other floating elements are not allowed
Language: css
Section: Basic Box Properties
Extra: 1

Instruction: clip
Effect: Clips an absolutely positioned element
Language: css
Section: Basic Box Properties
Extra: 2

Instruction: display
Effect: Specifies how a certain HTML element should be displayed
Language: css
Section: Basic Box Properties
Index: 1

Instruction: float
Language: css
Section: Basic Box Properties
Returns: Whether or not a box should float
Extra: 1

Instruction: height
Effect: Sets the height of an element
Language: css
Section: Basic Box Properties
Extra: 1

Instruction: left
Effect: Specifies the left position of a positioned element
Language: css
Section: Basic Box Properties
Extra: 2

Instruction: margin
Effect: Sets all the margin properties in one declaration
Language: css
Section: Basic Box Properties
Extra: 1

Instruction: margin-bottom
Effect: Sets the bottom margin of an element
Language: css
Section: Basic Box Properties
Extra: 1

Instruction: margin-left
Effect: Sets the left margin of an element
Language: css
Section: Basic Box Properties
Extra: 1

Instruction: margin-right
Effect: Sets the right margin of an element
Language: css
Section: Basic Box Properties
Extra: 1

Instruction: margin-top
Effect: Sets the top margin of an element
Language: css
Section: Basic Box Properties
Extra: 1

Instruction: max-height
Effect: Sets the maximum height of an element
Language: css
Section: Basic Box Properties
Extra: 2

Instruction: max-width
Effect: Sets the maximum width of an element
Language: css
Section: Basic Box Properties
Extra: 2

Instruction: min-height
Effect: Sets the minimum height of an element
Language: css
Section: Basic Box Properties
Extra: 2

Instruction: min-width
Effect: Sets the minimum width of an element
Language: css
Section: Basic Box Properties
Extra: 2

Instruction: overflow-x
Language: css
Section: Basic Box Properties
Returns: Whether or not to clip the left/right edges of the content, if it overflows the element's content area
Extra: 3

Instruction: overflow-y
Language: css
Section: Basic Box Properties
Returns: Whether or not to clip the top/bottom edges of the content, if it overflows the element's content area
Extra: 3

Instruction: padding
Effect: Sets all the padding properties in one declaration
Language: css
Section: Basic Box Properties
Extra: 1

Instruction: padding-bottom
Effect: Sets the bottom padding of an element
Language: css
Section: Basic Box Properties
Extra: 1

Instruction: padding-left
Effect: Sets the left padding of an element
Language: css
Section: Basic Box Properties
Extra: 1

Instruction: padding-right
Effect: Sets the right padding of an element
Language: css
Section: Basic Box Properties
Extra: 1

Instruction: padding-top
Effect: Sets the top padding of an element
Language: css
Section: Basic Box Properties
Extra: 1

Instruction: position
Effect: Specifies the type of positioning method used for an element (static, relative, absolute or fixed)
Language: css
Section: Basic Box Properties
Extra: 2

Instruction: right
Effect: Specifies the right position of a positioned element
Language: css
Section: Basic Box Properties
Extra: 2

Instruction: top
Effect: Specifies the top position of a positioned element
Language: css
Section: Basic Box Properties
Extra: 2

Instruction: visibility
Language: css
Section: Basic Box Properties
Returns: Whether or not an element is visible
Extra: 2

Instruction: width
Effect: Sets the width of an element
Language: css
Section: Basic Box Properties
Extra: 1

Instruction: vertical-align
Effect: Sets the vertical alignment of an element
Language: css
Section: Basic Box Properties
Extra: 1

Instruction: z-index
Effect: Sets the stack order of a positioned element
Language: css
Section: Basic Box Properties
Extra: 2

Instruction: align-content
Effect: Specifies the alignment between the lines inside a flexible container when the items do not use all available space
Language: css
Section: Flexible Box Layout
Extra: 3

Instruction: align-items
Effect: Specifies the alignment for items inside a flexible container
Language: css
Section: Flexible Box Layout
Extra: 3

Instruction: align-self
Effect: Specifies the alignment for selected items inside a flexible container
Language: css
Section: Flexible Box Layout
Extra: 3

Instruction: flex
Effect: Specifies the length of the item, relative to the rest
Language: css
Section: Flexible Box Layout
Extra: 3

Instruction: flex-basis
Effect: Specifies the initial length of a flexible item
Language: css
Section: Flexible Box Layout
Extra: 3

Instruction: flex-direction
Effect: Specifies the direction of the flexible items
Language: css
Section: Flexible Box Layout
Extra: 3

Instruction: flex-flow
Effect: A shorthand property for the flex-direction and the flex-wrap properties
Language: CSS
Section: Flexible Box Layout
Extra: 3

Instruction: flex-grow
Effect: Specifies how much the item will grow relative to the rest
Language: CSS
Section: Flexible Box Layout
Extra: 3

Instruction: flex-shrink
Effect: Specifies how the item will shrink relative to the rest
Language: CSS
Section: Flexible Box Layout
Extra: 3

Instruction: flex-wrap
Language: css
Section: Flexible Box Layout
Returns: Whether the flexible items should wrap or not
Extra: 3

Instruction: justify-content
Effect: Specifies the alignment between the items inside a flexible container when the items do not use all available space
Language: css
Section: Flexible Box Layout
Extra: 3

Instruction: order
Effect: Sets the order of the flexible item, relative to the rest
Language: css
Section: Flexible Box Layout
Extra: 3

Instruction: hanging-punctuation
Language: CSS
Section: Text Properties
Returns: Whether a punctuation character may be placed outside the line box
Extra: 3

Instruction: hyphens
Effect: Sets how to split words to improve the layout of paragraphs
Language: CSS
Section: Text Properties
Extra: 3

Instruction: letter-spacing
Effect: Increases or decreases the space between characters in a text
Language: CSS
Section: Text Properties
Extra: 1

Instruction: line-break
Effect: Specifies how/if to break lines
Language: CSS
Section: Text Properties
Extra: 3

Instruction: line-height
Effect: Sets the line height
Language: CSS
Section: Text Properties
Extra: 1

Instruction: overflow-wrap
Language: CSS
Section: Text Properties
Returns: Whether or not the browser may break lines within words in order to prevent overflow (when a string is too long to fit its containing box)
Extra: 3

Instruction: tab-size
Effect: Specifies the length of the tab-character
Language: CSS
Section: Text Properties
Extra: 3

Instruction: text-align
Effect: Specifies the horizontal alignment of text
Language: CSS
Section: Text Properties
Extra: 1

Instruction: text-align-last
Effect: Describes how the last line of a block or a line right before a forced line break is aligned when text-align is "justify"
Language: CSS
Section: Text Properties
Extra: 3

Instruction: text-combine-upright
Effect: Specifies the combination of multiple characters into the space of a single character
Language: CSS
Section: Text Properties
Extra: 3

Instruction: text-indent
Effect: Specifies the indentation of the first line in a text-block
Language: CSS
Section: Text Properties
Extra: 1

Instruction: text-justify
Effect: Specifies the justification method used when text-align is "justify"
Language: CSS
Section: Text Properties
Extra: 3

Instruction: text-transform
Effect: Controls the capitalization of text
Language: CSS
Section: Text Properties
Extra: 1

Instruction: white-space
Effect: Specifies how white-space inside an element is handled
Language: CSS
Section: Text Properties
Extra: 1

Instruction: word-break
Effect: Specifies line breaking rules for non-CJK scripts
Language: CSS
Section: Text Properties
Extra: 3

Instruction: word-spacing
Effect: Increases or decreases the space between words in a text
Language: CSS
Section: Text Properties
Extra: 1

Instruction: word-wrap
Effect: Allows long, unbreakable words to be broken and wrap to the next line
Language: CSS
Section: Text Properties
Extra: 3

Instruction: text-decoration
Effect: Specifies the decoration added to text
Language: CSS
Section: Text Decoration Properties
Extra: 1

Instruction: text-decoration-color
Effect: Specifies the color of the text-decoration
Language: CSS
Section: Text Decoration Properties
Extra: 3

Instruction: text-decoration-line
Effect: Specifies the type of line in a text-decoration
Language: CSS
Section: Text Decoration Properties
Extra: 3

Instruction: text-decoration-style
Effect: Specifies the style of the line in a text decoration
Language: CSS
Section: Text Decoration Properties
Extra: 3

Instruction: text-shadow
Effect: Adds shadow to text
Language: CSS
Section: Text Decoration Properties
Extra: 3

Instruction: text-underline-position
Effect: Specifies the position of the underline which is set using the text-decoration property
Language: CSS
Section: Text Decoration Properties
Extra: 3

Instruction: @font-face
Effect: A rule that allows websites to download and use fonts other than the "web-safe" fonts
Language: CSS
Section: Font Properties
Extra: 3

Instruction: @font-feature-values
Effect: Allows authors to use a common name in font-variant-alternate for feature activated differently in OpenType
Language: CSS
Section: Font Properties
Extra: 3

Instruction: font
Effect: Sets all the font properties in one declaration
Language: CSS
Section: Font Properties
Extra: 1

Instruction: font-family
Effect: Specifies the font family for text
Language: CSS
Section: Font Properties
Extra: 1

Instruction: font-feature-settings
Effect: Allows control over advanced typographic features in OpenType fonts
Language: CSS
Section: Font Properties
Extra: 3

Instruction: font-kerning
Effect: Controls the usage of the kerning information (how letters are spaced)
Language: CSS
Section: Font Properties
Extra: 3

Instruction: font-language-override
Effect: Controls the usage of language-specific glyphs in a typeface
Language: CSS
Section: Font Properties
Extra: 3

Instruction: font-size
Effect: Specifies the font size of text
Language: CSS
Section: Font Properties
Extra: 1

Instruction: font-size-adjust
Effect: Preserves the readability of text when font fallback occurs
Language: CSS
Section: Font Properties
Extra: 3

Instruction: font-stretch
Effect: Selects a normal, condensed, or expanded face from a font family
Language: CSS
Section: Font Properties
Extra: 3

Instruction: font-style
Effect: Specifies the font style for text
Language: CSS
Section: Font Properties
Extra: 1

Instruction: font-synthesis
Effect: Controls which missing typefaces (bold or italic) may be synthesized by the browser
Language: CSS
Section: Font Properties
Extra: 3

Instruction: font-variant
Language: CSS
Section: Font Properties
Returns: Whether or not a text should be displayed in a small-caps font
Extra: 1

Instruction: font-variant-alternates
Effect: Controls the usage of alternate glyphs associated to alternative names defined in @font-feature-values
Language: CSS
Section: Font Properties
Extra: 3

Instruction: font-variant-caps
Effect: Controls the usage of alternate glyphs for capital letters
Language: CSS
Section: Font Properties
Extra: 3

Instruction: font-variant-east-asian
Effect: Controls the usage of alternate glyphs for East Asian scripts (e.g Japanese and Chinese)
Language: CSS
Section: Font Properties
Extra: 3

Instruction: font-variant-ligatures
Effect: Controls which ligatures and contextual forms are used in textual content of the elements it applies to
Language: CSS
Section: Font Properties
Extra: 3

Instruction: font-variant-numeric
Effect: Controls the usage of alternate glyphs for numbers, fractions, and ordinal markers
Language: CSS
Section: Font Properties
Extra: 3

Instruction: font-variant-position
Effect: Controls the usage of alternate glyphs of smaller size positioned as superscript or subscript regarding the baseline of the font
Language: CSS
Section: Font Properties
Extra: 3

Instruction: font-weight
Effect: Specifies the weight of a font
Language: CSS
Section: Font Properties
Extra: 1

Instruction: direction
Effect: Specifies the text direction/writing direction
Language: CSS
Section: Writing Modes Properties
Extra: 2

Instruction: text-orientation
Effect: Defines the orientation of the text in a line
Language: CSS
Section: Writing Modes Properties
Extra: 3

Instruction: text-combine-upright
Effect: Specifies the combination of multiple characters into the space of a single character
Language: CSS
Section: Writing Modes Properties
Extra: 3

Instruction: unicode-bidi
Effect: Used together with the direction property to set or return whether the text should be overridden to support multiple languages in the same document
Language: CSS
Section: Writing Modes Properties
Extra: 2

Instruction: user-select
Language: CSS
Section: Writing Modes Properties
Returns: Whether the text of an element can be selected
Extra: 3

Instruction: border-collapse
Language: CSS
Section: Table Properties
Returns: Whether or not table borders should be collapsed
Extra: 2

Instruction: border-spacing
Effect: Specifies the distance between the borders of adjacent cells
Language: CSS
Section: Table Properties
Extra: 2

Instruction: caption-side
Effect: Specifies the placement of a table caption
Language: CSS
Section: Table Properties
Extra: 2

Instruction: empty-cells
Language: CSS
Section: Table Properties
Returns: Whether or not to display borders and background on empty cells in a table
Extra: 2

Instruction: table-layout
Effect: Sets the layout algorithm to be used for a table
Language: CSS
Section: Table Properties
Extra: 2

Instruction: counter-increment
Effect: Increments one or more counters
Language: CSS
Section: Lists and Counters Properties
Extra: 2

Instruction: counter-reset
Effect: Creates or resets one or more counters
Language: CSS
Section: Lists and Counters Properties
Extra: 2

Instruction: list-style
Effect: Sets all the properties for a list in one declaration
Language: CSS
Section: Lists and Counters Properties
Extra: 1

Instruction: list-style-image
Effect: Specifies an image as the list-item marker
Language: CSS
Section: Lists and Counters Properties
Extra: 1

Instruction: list-style-position
Effect: Specifies if the list-item markers should appear inside or outside the content flow
Language: CSS
Section: Lists and Counters Properties
Extra: 1

Instruction: list-style-type
Effect: Specifies the type of list-item marker
Language: CSS
Section: Lists and Counters Properties
Extra: 1

Instruction: @keyframes
Effect: Specifies the animation code
Language: CSS
Section: Animation Properties
Extra: 3

Instruction: animation
Effect: A shorthand property for all the animation properties (except animation-play-state and animation-fill-mode)
Language: CSS
Section: Animation Properties
Extra: 3

Instruction: animation-delay
Effect: Specifies a delay for the start of an animation
Language: CSS
Section: Animation Properties
Extra: 3

Instruction: animation-direction
Language: CSS
Section: Animation Properties
Returns: Whether or not the animation should play in reverse on alternate cycles
Extra: 3

Instruction: animation-duration
Effect: Specifies how many seconds or milliseconds an animation takes to complete one cycle
Language: CSS
Section: Animation Properties
Extra: 3

Instruction: animation-fill-mode
Effect: Specifies a style for the element when the animation is not playing (when it is finished, or when it has a delay)
Language: CSS
Section: Animation Properties
Extra: 3

Instruction: animation-iteration-count
Effect: Specifies the number of times an animation should be played
Language: CSS
Section: Animation Properties
Extra: 3

Instruction: animation-name
Effect: Specifies the name of the @keyframes animation
Language: CSS
Section: Animation Properties
Extra: 3

Instruction: animation-play-state
Language: CSS
Section: Animation Properties
Returns: Whether the animation is running or paused
Extra: 3

Instruction: animation-timing-function
Effect: Specifies the speed curve of an animation
Language: CSS
Section: Animation Properties
Extra: 3

Instruction: backface-visibility
Language: CSS
Section: Transform Properties
Returns: Whether or not an element should be visible when not facing the screen
Extra: 3

Instruction: perspective
Effect: Specifies the perspective on how 3D elements are viewed
Language: CSS
Section: Transform Properties
Extra: 3

Instruction: perspective-origin
Effect: Specifies the bottom position of 3D elements
Language: CSS
Section: Transform Properties
Extra: 3

Instruction: transform
Effect: Applies a 2D or 3D transformation to an element
Language: CSS
Section: Transform Properties
Extra: 3

Instruction: transform-origin
Effect: Allows you to change the position on transformed elements
Language: CSS
Section: Transform Properties
Extra: 3

Instruction: transform-style
Effect: Specifies how nested elements are rendered in 3D space
Language: CSS
Section: Transform Properties
Extra: 3

Instruction: transition
Effect: A shorthand property for setting the four transition properties
Language: CSS
Section: Transitions Properties
Extra: 3

Instruction: transition-property
Effect: Specifies the name of the CSS property the transition effect is for
Language: CSS
Section: Transitions Properties
Extra: 3

Instruction: transition-duration
Effect: Specifies how many seconds or milliseconds a transition effect takes to complete
Language: CSS
Section: Transitions Properties
Extra: 3

Instruction: transition-timing-function
Effect: Specifies the speed curve of the transition effect
Language: CSS
Section: Transitions Properties
Extra: 3

Instruction: transition-delay
Effect: Specifies when the transition effect will start
Language: CSS
Section: Transitions Properties
Extra: 3

Instruction: box-sizing
Effect: Tells the browser what the sizing properties (width and height) should include
Language: CSS
Section: Basic User Interface Properties
Extra: 3

Instruction: content
Effect: Used with the :before and :after pseudo-elements, to insert generated content
Language: CSS
Section: Basic User Interface Properties
Extra: 2

Instruction: cursor
Effect: Specifies the type of cursor to be displayed
Language: CSS
Section: Basic User Interface Properties
Extra: 2

Instruction: ime-mode
Effect: Controls the state of the input method editor for text fields
Language: CSS
Section: Basic User Interface Properties
Extra: 3

Instruction: outline
Effect: Sets all the outline properties in one declaration
Language: CSS
Section: Basic User Interface Properties
Extra: 2

Instruction: outline-color
Effect: Sets the color of an outline
Language: CSS
Section: Basic User Interface Properties
Extra: 2

Instruction: outline-offset
Effect: Offsets an outline, and draws it beyond the border edge
Language: CSS
Section: Basic User Interface Properties
Extra: 3

Instruction: outline-style
Effect: Sets the style of an outline
Language: CSS
Section: Basic User Interface Properties
Extra: 2

Instruction: outline-width
Effect: Sets the width of an outline
Language: CSS
Section: Basic User Interface Properties
Extra: 2

Instruction: resize
Language: CSS
Section: Basic User Interface Properties
Returns: Whether or not an element is resizable by the user
Extra: 3

Instruction: text-overflow
Effect: Specifies what should happen when text overflows the containing element
Language: CSS
Section: Basic User Interface Properties
Extra: 3

Instruction: break-after
Effect: Specifies the page-, column-, or region-break behavior after the generated box
Language: CSS
Section: Multi-column Layout Properties
Extra: 3

Instruction: break-before
Effect: Specifies the page-, column-, or region-break behavior before the generated box
Language: CSS
Section: Multi-column Layout Properties
Extra: 3

Instruction: break-inside
Effect: Specifies the page-, column-, or region-break behavior inside the generated box
Language: CSS
Section: Multi-column Layout Properties
Extra: 3

Instruction: column-count
Effect: Specifies the number of columns an element should be divided into
Language: CSS
Section: Multi-column Layout Properties
Extra: 3

Instruction: column-fill
Effect: Specifies how to fill columns
Language: CSS
Section: Multi-column Layout Properties
Extra: 3

Instruction: column-gap
Effect: Specifies the gap between the columns
Language: CSS
Section: Multi-column Layout Properties
Extra: 3

Instruction: column-rule
Effect: A shorthand property for setting all the column-rule-* properties
Language: CSS
Section: Multi-column Layout Properties
Extra: 3

Instruction: column-rule-color
Effect: Specifies the color of the rule between columns
Language: CSS
Section: Multi-column Layout Properties
Extra: 3

Instruction: column-rule-style
Effect: Specifies the style of the rule between columns
Language: CSS
Section: Multi-column Layout Properties
Extra: 3

Instruction: column-rule-width
Effect: Specifies the width of the rule between columns
Language: CSS
Section: Multi-column Layout Properties
Extra: 3

Instruction: column-span
Effect: Specifies how many columns an element should span across
Language: CSS
Section: Multi-column Layout Properties
Extra: 3

Instruction: column-width
Effect: Specifies the width of the columns
Language: CSS
Section: Multi-column Layout Properties
Extra: 3

Instruction: columns
Effect: A shorthand property for setting column-width and column-count
Language: CSS
Section: Multi-column Layout Properties
Extra: 3

Instruction: widows
Effect: Sets the minimum number of lines that must be left at the top of a page when a page break occurs inside an element
Language: CSS
Section: Multi-column Layout Properties
Extra: 2

Instruction: orphans
Effect: Sets the minimum number of lines that must be left at the bottom of a page when a page break occurs inside an element
Language: CSS
Section: Paged Media
Extra: 2

Instruction: page-break-after
Effect: Sets the page-breaking behavior after an element
Language: CSS
Section: Paged Media
Extra: 2

Instruction: page-break-before
Effect: Sets the page-breaking behavior before an element
Language: CSS
Section: Paged Media
Extra: 2

Instruction: page-break-inside
Effect: Sets the page-breaking behavior inside an element
Language: CSS
Section: Paged Media
Extra: 2

Instruction: marks
Effect: Adds crop and/or cross marks to the document
Language: CSS
Section: Generated Content for Paged Media
Extra: 3

Instruction: quotes
Effect: Sets the type of quotation marks for embedded quotations
Language: CSS
Section: Generated Content for Paged Media
Extra: 2

Instruction: filter
Effect: Defines effects (e.g. blurring or color shifting) on an element before the element is displayed
Language: CSS
Section: Filter Effects Properties
Extra: 3

Instruction: image-orientation
Effect: Specifies a rotation in the right or clockwise direction that a user agent applies to an image (This property is likely going to be deprecated and its functionality moved to HTML)
Language: CSS
Section: Image Values and Replaced Content
Extra: 3

Instruction: image-rendering
Effect: Gives a hint to the browser about what aspects of an image are most important to preserve when the image is scaled
Language: CSS
Section: Image Values and Replaced Content
Extra: 3

Instruction: image-resolution
Effect: Specifies the intrinsic resolution of all raster images used in/on the element
Language: CSS
Section: Image Values and Replaced Content
Extra: 3

Instruction: object-fit
Effect: Specifies how the contents of a replaced element should be fitted to the box established by its used height and width
Language: CSS
Section: Image Values and Replaced Content
Extra: 3

Instruction: object-position
Effect: Specifies the alignment of the replaced element inside its box
Language: CSS
Section: Image Values and Replaced Content
Extra: 3

Instruction: mask
Effect: EMPTY IN CSS REF
Language: CSS
Section: Masking Properties
Extra: 3

Instruction: mask-type
Effect: EMPTY IN CSS REF
Language: CSS
Section: Masking Properties
Extra: 3

Instruction: mark
Effect: A shorthand property for setting the mark-before and mark-after properties
Language: CSS
Section: Speech Properties
Extra: 3

Instruction: mark-after
Effect: Allows named markers to be attached to the audio stream
Language: CSS
Section: Speech Properties
Extra: 3

Instruction: mark-before
Effect: Allows named markers to be attached to the audio stream
Language: CSS
Section: Speech Properties
Extra: 3

Instruction: phonemes
Effect: Specifies a phonetic pronunciation for the text contained by the corresponding element
Language: CSS
Section: Speech Properties
Extra: 3

Instruction: rest
Effect: A shorthand property for setting the rest-before and rest-after properties
Language: CSS
Section: Speech Properties
Extra: 3

Instruction: rest-after
Effect: Specifies a rest or prosodic boundary to be observed after speaking an element's content
Language: CSS
Section: Speech Properties
Extra: 3

Instruction: rest-before
Effect: Specifies a rest or prosodic boundary to be observed before speaking an element's content
Language: CSS
Section: Speech Properties
Extra: 3

Instruction: voice-balance
Effect: Specifies the balance between left and right channels
Language: CSS
Section: Speech Properties
Extra: 3

Instruction: voice-duration
Effect: Specifies how long it should take to render the selected element's content
Language: CSS
Section: Speech Properties
Extra: 3

Instruction: voice-pitch
Effect: Specifies the average pitch (a frequency) of the speaking voice
Language: CSS
Section: Speech Properties
Extra: 3

Instruction: voice-pitch-range
Effect: Specifies variation in average pitch
Language: CSS
Section: Speech Properties
Extra: 3

Instruction: voice-rate
Effect: Controls the speaking rate
Language: CSS
Section: Speech Properties
Extra: 3

Instruction: voice-stress
Effect: Indicates the strength of emphasis to be applied
Language: CSS
Section: Speech Properties
Extra: 3

Instruction: overflow
Effect: Specifies what happens if content overflows an element's box
Language: CSS
Section: Basic Box Properties
Extra: 2

Instruction: calc()
Effect: Allows you to perform calculations to determine CSS property values
Language: css
Extra: 3

Instruction: linear-gradient()
Effect: Creates an "image" which represents a linear gradient of colors
Language: css
Extra: 3

Instruction: radial-gradient()
Effect: Creates an "image" which represents a gradient of colors radiating from the center of the gradient
Language: css
Extra: 3

Instruction: repeating-linear-gradient()
Effect: Creates an "image" consisting of repeating gradients
Language: css
Extra: 3

Instruction: repeating-radial-gradient()
Effect: Similarly to radial-gradient(), but it automatically repeats the color stops infinitely in both directions
Language: css
Extra: 3

Instruction: color
Effect: Sets the color of text
Language: css
Section: Color Properties
Extra: 1

Instruction: opacity
Effect: Sets the opacity level for an element
Language: css
Section: Color Properties
Extra: 3

Instruction: background
Effect: A shorthand property for setting all the background properties in one declaration
Language: css
Section: Background and Border Properties
Extra: 1

Instruction: background-attachment
Language: css
Section: Background and Border Properties
Returns: Whether a background image is fixed or scrolls with the rest of the page
Extra: 1

Instruction: background-blend-mode
Effect: Specifies the blending mode of each background layer (color/image)
Language: css
Section: Background and Border Properties
Extra: 3

Instruction: background-color
Effect: Specifies the background color of an element
Language: css
Section: Background and Border Properties
Extra: 1

Instruction: background-image
Effect: Specifies one or more background images for an element
Language: css
Section: Background and Border Properties
Extra: 1

Instruction: background-position
Effect: Specifies the position of a background image
Language: css
Section: Background and Border Properties
Extra: 1

Instruction: background-repeat
Effect: Sets how a background image will be repeated
Language: css
Section: Background and Border Properties
Extra: 1

Instruction: background-clip
Effect: Specifies the painting area of the background
Language: css
Section: Background and Border Properties
Extra: 3

Instruction: background-origin
Effect: Specifies where the background image(s) is/are positioned
Language: css
Section: Background and Border Properties
Extra: 3