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css-fonts.json
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{
"spec": {
"title": "CSS Fonts Module Level 4",
"url": "https://www.w3.org/TR/css-fonts-4/"
},
"properties": [
{
"name": "font-family",
"href": "https://www.w3.org/TR/css-fonts-4/#propdef-font-family",
"value": "[ <family-name> | <generic-family> ]#",
"initial": "depends on user agent",
"appliesTo": "all elements and text",
"inherited": "yes",
"percentages": "n/a",
"computedValue": "list, each item a string and/or <generic-family> keywords",
"canonicalOrder": "per grammar",
"animationType": "discrete",
"styleDeclaration": [
"font-family",
"fontFamily"
]
},
{
"name": "font-weight",
"href": "https://www.w3.org/TR/css-fonts-4/#propdef-font-weight",
"value": "<font-weight-absolute> | bolder | lighter",
"initial": "normal",
"appliesTo": "all elements and text",
"inherited": "yes",
"percentages": "n/a",
"computedValue": "a number, see below",
"canonicalOrder": "per grammar",
"animationType": "by computed value type",
"values": [
{
"name": "<number [1,1000]>",
"prose": "Each number indicates a weight that is at least as dark as its predecessor. Only values greater than or equal to 1, and less than or equal to 1000, are valid, and all other values are invalid. Numeric values typically correspond to the commonly used weight names below. 100 - Thin 200 - Extra Light (Ultra Light) 300 - Light 400 - Normal 500 - Medium 600 - Semi Bold (Demi Bold) 700 - Bold 800 - Extra Bold (Ultra Bold) 900 - Black (Heavy)",
"href": "https://www.w3.org/TR/css-fonts-4/#valdef-font-weight-number-1-1000",
"type": "value",
"value": "<number [1,1000]>"
},
{
"name": "normal",
"prose": "Same as 400.",
"href": "https://www.w3.org/TR/css-fonts-4/#valdef-font-weight-normal",
"type": "value",
"value": "normal"
},
{
"name": "bold",
"prose": "Same as 700.",
"href": "https://www.w3.org/TR/css-fonts-4/#valdef-font-weight-bold",
"type": "value",
"value": "bold"
},
{
"name": "bolder",
"prose": "Specifies a bolder weight than the inherited value. See § 2.2.1 Relative Weights.",
"href": "https://www.w3.org/TR/css-fonts-4/#valdef-font-weight-bolder",
"type": "value",
"value": "bolder"
},
{
"name": "lighter",
"prose": "Specifies a lighter weight than the inherited value. See § 2.2.1 Relative Weights.",
"href": "https://www.w3.org/TR/css-fonts-4/#valdef-font-weight-lighter",
"type": "value",
"value": "lighter"
}
],
"styleDeclaration": [
"font-weight",
"fontWeight"
]
},
{
"name": "font-width",
"href": "https://www.w3.org/TR/css-fonts-4/#propdef-font-width",
"value": "normal | <percentage [0,∞]> | ultra-condensed | extra-condensed | condensed | semi-condensed | semi-expanded | expanded | extra-expanded | ultra-expanded",
"initial": "normal",
"appliesTo": "all elements and text",
"inherited": "yes",
"percentages": "Not resolved",
"computedValue": "a percentage, see below",
"canonicalOrder": "per grammar",
"animationType": "by computed value type",
"values": [
{
"name": "ultra-condensed",
"href": "https://www.w3.org/TR/css-fonts-4/#valdef-font-width-ultra-condensed",
"type": "value",
"value": "ultra-condensed"
},
{
"name": "extra-condensed",
"href": "https://www.w3.org/TR/css-fonts-4/#valdef-font-width-extra-condensed",
"type": "value",
"value": "extra-condensed"
},
{
"name": "condensed",
"href": "https://www.w3.org/TR/css-fonts-4/#valdef-font-width-condensed",
"type": "value",
"value": "condensed"
},
{
"name": "semi-condensed",
"href": "https://www.w3.org/TR/css-fonts-4/#valdef-font-width-semi-condensed",
"type": "value",
"value": "semi-condensed"
},
{
"name": "normal",
"href": "https://www.w3.org/TR/css-fonts-4/#valdef-font-width-normal",
"type": "value",
"value": "normal"
},
{
"name": "semi-expanded",
"href": "https://www.w3.org/TR/css-fonts-4/#valdef-font-width-semi-expanded",
"type": "value",
"value": "semi-expanded"
},
{
"name": "expanded",
"href": "https://www.w3.org/TR/css-fonts-4/#valdef-font-width-expanded",
"type": "value",
"value": "expanded"
},
{
"name": "extra-expanded",
"href": "https://www.w3.org/TR/css-fonts-4/#valdef-font-width-extra-expanded",
"type": "value",
"value": "extra-expanded"
},
{
"name": "ultra-expanded",
"href": "https://www.w3.org/TR/css-fonts-4/#valdef-font-width-ultra-expanded",
"type": "value",
"value": "ultra-expanded"
},
{
"name": "<percentage [0,∞]>",
"prose": "<percentage [0,∞]> values represent the fractional width of the glyphs, with 100% representing “normal” glyph widths (as defined by the font designer). Values less than 0% are invalid.",
"href": "https://www.w3.org/TR/css-fonts-4/#valdef-font-width-percentage-0",
"type": "value",
"value": "<percentage [0,∞]>"
}
],
"styleDeclaration": [
"font-width",
"fontWidth"
]
},
{
"name": "font-style",
"href": "https://www.w3.org/TR/css-fonts-4/#propdef-font-style",
"value": "normal | italic | oblique <angle [-90deg,90deg]>?",
"initial": "normal",
"appliesTo": "all elements and text",
"inherited": "yes",
"percentages": "n/a",
"computedValue": "the keyword specified, plus angle in degrees if specified",
"canonicalOrder": "per grammar",
"animationType": "by computed value type;normal animates as oblique 0deg",
"values": [
{
"name": "normal",
"prose": "Matches against a face that is classified as a normal face, one that is neither italic or obliqued. This represents an oblique value of \"0\".",
"href": "https://www.w3.org/TR/css-fonts-4/#valdef-font-style-normal",
"type": "value",
"value": "normal"
},
{
"name": "italic",
"prose": "Matches against a font that is labeled as an italic face, or an oblique face if one does not exist.",
"href": "https://www.w3.org/TR/css-fonts-4/#valdef-font-style-italic",
"type": "value",
"value": "italic"
},
{
"name": "oblique <angle [-90deg,90deg]>?",
"prose": "Controls matching against an oblique face. Positive angles represent a clockwise slant; negative angles represent a counter-clockwise slant. The lack of an <angle> represents 14deg. (Note that a font might internally provide its own mapping for \"oblique\", but the mapping within the font is disregarded.) Fractional and negative values are accepted; however, values less than -90deg or values greater than 90deg are invalid. If no oblique faces exist, and font-synthesis-style has the value auto, a synthetic oblique face will be generated.",
"href": "https://www.w3.org/TR/css-fonts-4/#valdef-font-style-oblique-angle--90deg-90deg",
"type": "value",
"value": "oblique <angle [-90deg,90deg]>?"
}
],
"styleDeclaration": [
"font-style",
"fontStyle"
]
},
{
"name": "font-size",
"href": "https://www.w3.org/TR/css-fonts-4/#propdef-font-size",
"value": "<absolute-size> | <relative-size> | <length-percentage [0,∞]> | math",
"initial": "medium",
"appliesTo": "all elements and text",
"inherited": "yes",
"percentages": "refer to parent element’s font size",
"computedValue": "an absolute length",
"canonicalOrder": "per grammar",
"animationType": "by computed value type",
"values": [
{
"name": "<absolute-size>",
"value": "<absolute-size>",
"href": "https://www.w3.org/TR/css-fonts-4/#valdef-font-size-absolute-size",
"type": "value"
},
{
"name": "<relative-size>",
"value": "<relative-size>",
"href": "https://www.w3.org/TR/css-fonts-4/#valdef-font-size-relative-size",
"type": "value"
},
{
"name": "<length-percentage [0,∞]>",
"prose": "A length value specifies an absolute font size (independent of the user agent’s font table). Negative lengths are invalid. A percentage value specifies an absolute font size relative to the parent element’s computed font-size. Negative percentages are invalid.",
"href": "https://www.w3.org/TR/css-fonts-4/#valdef-font-size-length-percentage-0",
"type": "value",
"value": "<length-percentage [0,∞]>"
},
{
"name": "math",
"prose": "Special mathematical scaling rules must be applied when determining the computed value of the font-size property.",
"href": "https://www.w3.org/TR/css-fonts-4/#valdef-font-size-math",
"type": "value",
"value": "math"
}
],
"styleDeclaration": [
"font-size",
"fontSize"
]
},
{
"name": "font-size-adjust",
"href": "https://www.w3.org/TR/css-fonts-4/#propdef-font-size-adjust",
"value": "none | <number [0,∞]>",
"initial": "none",
"appliesTo": "all elements and text",
"inherited": "yes",
"percentages": "N/A",
"computedValue": "a number or the keyword none",
"canonicalOrder": "per grammar",
"animationType": "by computed value type",
"values": [
{
"name": "none",
"prose": "Do not preserve the font’s x-height.",
"href": "https://www.w3.org/TR/css-fonts-4/#font-size-adjust-none-value",
"type": "value",
"value": "none"
},
{
"name": "<number [0,∞]>",
"prose": "Specifies the aspect value used in the calculation below to calculate the adjusted font size: c = ( a / a' ) s where: s = font-size value a = aspect value as specified by the 'font-size-adjust' property a' = aspect value of actual font c = adjusted font-size to use Negative values are invalid. This value applies to any font that is selected but in typical usage it should be based on the aspect value of the first font in the font-family list. If this is specified accurately, the (a/a') term in the formula above is effectively 1 for the first font and no adjustment occurs. If the value is specified inaccurately, text rendered using the first font in the family list will display differently in older user agents that don’t support font-size-adjust.",
"href": "https://www.w3.org/TR/css-fonts-4/#aspect-ratio-value",
"type": "value",
"value": "<number [0,∞]>"
}
],
"styleDeclaration": [
"font-size-adjust",
"fontSizeAdjust"
]
},
{
"name": "font",
"href": "https://www.w3.org/TR/css-fonts-4/#propdef-font",
"value": "[ [ <'font-style'> || <font-variant-css2> || <'font-weight'> || <font-width-css3> ]? <'font-size'> [ / <'line-height'> ]? <'font-family'> ] | <system-family-name>",
"initial": "see individual properties",
"appliesTo": "all elements and text",
"inherited": "yes",
"percentages": "see individual properties",
"computedValue": "see individual properties",
"canonicalOrder": "per grammar",
"animationType": "see individual properties",
"values": [
{
"name": "caption",
"prose": "The font used for captioned controls (e.g., buttons, drop-downs, etc.).",
"href": "https://www.w3.org/TR/css-fonts-4/#valdef-font-caption",
"type": "value",
"value": "caption"
},
{
"name": "icon",
"prose": "The font used to label icons.",
"href": "https://www.w3.org/TR/css-fonts-4/#valdef-font-icon",
"type": "value",
"value": "icon"
},
{
"name": "menu",
"prose": "The font used in menus (e.g., dropdown menus and menu lists).",
"href": "https://www.w3.org/TR/css-fonts-4/#valdef-font-menu",
"type": "value",
"value": "menu"
},
{
"name": "message-box",
"prose": "The font used in dialog boxes.",
"href": "https://www.w3.org/TR/css-fonts-4/#valdef-font-message-box",
"type": "value",
"value": "message-box"
},
{
"name": "small-caption",
"prose": "The font used for labeling small controls.",
"href": "https://www.w3.org/TR/css-fonts-4/#valdef-font-small-caption",
"type": "value",
"value": "small-caption"
},
{
"name": "status-bar",
"prose": "The font used in window status bars.",
"href": "https://www.w3.org/TR/css-fonts-4/#valdef-font-status-bar",
"type": "value",
"value": "status-bar"
}
],
"styleDeclaration": [
"font"
]
},
{
"name": "font-synthesis-weight",
"href": "https://www.w3.org/TR/css-fonts-4/#propdef-font-synthesis-weight",
"value": "auto | none",
"initial": "auto",
"appliesTo": "all elements and text",
"inherited": "yes",
"percentages": "N/A",
"computedValue": "specified keyword",
"canonicalOrder": "per grammar",
"animationType": "discrete",
"media": "visual",
"values": [
{
"name": "auto",
"prose": "Synthesis of bold faces is allowed",
"href": "https://www.w3.org/TR/css-fonts-4/#valdef-font-synthesis-weight-auto",
"type": "value",
"value": "auto"
},
{
"name": "none",
"prose": "Synthesis of bold faces is not allowed",
"href": "https://www.w3.org/TR/css-fonts-4/#valdef-font-synthesis-weight-none",
"type": "value",
"value": "none"
}
],
"styleDeclaration": [
"font-synthesis-weight",
"fontSynthesisWeight"
]
},
{
"name": "font-synthesis-style",
"href": "https://www.w3.org/TR/css-fonts-4/#propdef-font-synthesis-style",
"value": "auto | none",
"initial": "auto",
"appliesTo": "all elements and text",
"inherited": "yes",
"percentages": "N/A",
"computedValue": "specified keyword",
"canonicalOrder": "per grammar",
"animationType": "discrete",
"media": "visual",
"values": [
{
"name": "auto",
"prose": "Synthesis of oblique faces is allowed",
"href": "https://www.w3.org/TR/css-fonts-4/#valdef-font-synthesis-style-auto",
"type": "value",
"value": "auto"
},
{
"name": "none",
"prose": "Synthesis of oblique faces is not allowed",
"href": "https://www.w3.org/TR/css-fonts-4/#valdef-font-synthesis-style-none",
"type": "value",
"value": "none"
}
],
"styleDeclaration": [
"font-synthesis-style",
"fontSynthesisStyle"
]
},
{
"name": "font-synthesis-small-caps",
"href": "https://www.w3.org/TR/css-fonts-4/#propdef-font-synthesis-small-caps",
"value": "auto | none",
"initial": "auto",
"appliesTo": "all elements and text",
"inherited": "yes",
"percentages": "N/A",
"computedValue": "specified keyword",
"canonicalOrder": "per grammar",
"animationType": "discrete",
"values": [
{
"name": "auto",
"prose": "Synthesis of small caps faces is allowed",
"href": "https://www.w3.org/TR/css-fonts-4/#valdef-font-synthesis-small-caps-auto",
"type": "value",
"value": "auto"
},
{
"name": "none",
"prose": "Synthesis of small caps faces is not allowed",
"href": "https://www.w3.org/TR/css-fonts-4/#valdef-font-synthesis-small-caps-none",
"type": "value",
"value": "none"
}
],
"styleDeclaration": [
"font-synthesis-small-caps",
"fontSynthesisSmallCaps"
]
},
{
"name": "font-synthesis-position",
"href": "https://www.w3.org/TR/css-fonts-4/#propdef-font-synthesis-position",
"value": "auto | none",
"initial": "auto",
"appliesTo": "all elements and text",
"inherited": "yes",
"percentages": "N/A",
"computedValue": "specified keyword",
"canonicalOrder": "per grammar",
"animationType": "discrete",
"values": [
{
"name": "auto",
"prose": "Synthesis of superscript and subscript forms is required",
"href": "https://www.w3.org/TR/css-fonts-4/#valdef-font-synthesis-position-auto",
"type": "value",
"value": "auto"
},
{
"name": "none",
"prose": "Synthesis of superscript and subscript forms is not allowed",
"href": "https://www.w3.org/TR/css-fonts-4/#valdef-font-synthesis-position-none",
"type": "value",
"value": "none"
}
],
"styleDeclaration": [
"font-synthesis-position",
"fontSynthesisPosition"
]
},
{
"name": "font-synthesis",
"href": "https://www.w3.org/TR/css-fonts-4/#propdef-font-synthesis",
"value": "none | [ weight || style || small-caps || position]",
"initial": "weight style small-caps position",
"appliesTo": "all elements and text",
"inherited": "yes",
"percentages": "N/A",
"computedValue": "specified keyword(s)",
"canonicalOrder": "per grammar",
"animationType": "discrete",
"styleDeclaration": [
"font-synthesis",
"fontSynthesis"
]
},
{
"name": "font-kerning",
"href": "https://www.w3.org/TR/css-fonts-4/#propdef-font-kerning",
"value": "auto | normal | none",
"initial": "auto",
"appliesTo": "all elements and text",
"inherited": "yes",
"percentages": "n/a",
"computedValue": "as specified",
"canonicalOrder": "per grammar",
"animationType": "discrete",
"values": [
{
"name": "auto",
"prose": "Specifies that kerning is applied at the discretion of the user agent",
"href": "https://www.w3.org/TR/css-fonts-4/#font-kerning-auto-value",
"type": "value",
"value": "auto"
},
{
"name": "normal",
"prose": "Specifies that kerning is applied",
"href": "https://www.w3.org/TR/css-fonts-4/#font-kerning-normal-value",
"type": "value",
"value": "normal"
},
{
"name": "none",
"prose": "Specifies that kerning is not applied",
"href": "https://www.w3.org/TR/css-fonts-4/#font-kerning-none-value",
"type": "value",
"value": "none"
}
],
"styleDeclaration": [
"font-kerning",
"fontKerning"
]
},
{
"name": "font-variant-ligatures",
"href": "https://www.w3.org/TR/css-fonts-4/#propdef-font-variant-ligatures",
"value": "normal | none | [ <common-lig-values> || <discretionary-lig-values> || <historical-lig-values> || <contextual-alt-values> ]",
"initial": "normal",
"appliesTo": "all elements and text",
"inherited": "yes",
"percentages": "n/a",
"computedValue": "as specified",
"canonicalOrder": "per grammar",
"animationType": "discrete",
"values": [
{
"name": "normal",
"prose": "A value of normal specifies that common default features are enabled, as described in detail in the next section. For OpenType fonts, common ligatures and contextual forms are on by default, discretionary and historical ligatures are not.",
"href": "https://www.w3.org/TR/css-fonts-4/#font-variant-ligatures-normal-value",
"type": "value",
"value": "normal"
},
{
"name": "none",
"prose": "Specifies that all types of ligatures and contextual forms covered by this property are explicitly disabled. In situations where ligatures are not considered necessary, this may improve the speed of text rendering.",
"href": "https://www.w3.org/TR/css-fonts-4/#font-variant-ligatures-none-value",
"type": "value",
"value": "none"
},
{
"name": "common-ligatures",
"prose": "Enables display of common ligatures (OpenType features: liga, clig). For OpenType fonts, common ligatures are enabled by default.",
"href": "https://www.w3.org/TR/css-fonts-4/#valdef-font-variant-ligatures-common-ligatures",
"type": "value",
"value": "common-ligatures"
},
{
"name": "no-common-ligatures",
"prose": "Disables display of common ligatures (OpenType features: liga, clig).",
"href": "https://www.w3.org/TR/css-fonts-4/#valdef-font-variant-ligatures-no-common-ligatures",
"type": "value",
"value": "no-common-ligatures"
},
{
"name": "discretionary-ligatures",
"prose": "Enables display of discretionary ligatures (OpenType feature: dlig). Which ligatures are discretionary or optional is decided by the type designer, so authors will need to refer to the documentation of a given font to understand which ligatures are considered discretionary.",
"href": "https://www.w3.org/TR/css-fonts-4/#valdef-font-variant-ligatures-discretionary-ligatures",
"type": "value",
"value": "discretionary-ligatures"
},
{
"name": "no-discretionary-ligatures",
"prose": "Disables display of discretionary ligatures (OpenType feature: dlig).",
"href": "https://www.w3.org/TR/css-fonts-4/#valdef-font-variant-ligatures-no-discretionary-ligatures",
"type": "value",
"value": "no-discretionary-ligatures"
},
{
"name": "historical-ligatures",
"prose": "Enables display of historical ligatures (OpenType feature: hlig).",
"href": "https://www.w3.org/TR/css-fonts-4/#valdef-font-variant-ligatures-historical-ligatures",
"type": "value",
"value": "historical-ligatures"
},
{
"name": "no-historical-ligatures",
"prose": "Disables display of historical ligatures (OpenType feature: hlig).",
"href": "https://www.w3.org/TR/css-fonts-4/#valdef-font-variant-ligatures-no-historical-ligatures",
"type": "value",
"value": "no-historical-ligatures"
},
{
"name": "contextual",
"prose": "Enables display of contextual alternates (OpenType feature: calt). Although not strictly a ligature feature, like ligatures this feature is commonly used to harmonize the shapes of glyphs with the surrounding context. For OpenType fonts, this feature is on by default.",
"href": "https://www.w3.org/TR/css-fonts-4/#valdef-font-variant-ligatures-contextual",
"type": "value",
"value": "contextual"
},
{
"name": "no-contextual",
"prose": "Disables display of contextual alternates (OpenType feature: calt).",
"href": "https://www.w3.org/TR/css-fonts-4/#valdef-font-variant-ligatures-no-contextual",
"type": "value",
"value": "no-contextual"
}
],
"styleDeclaration": [
"font-variant-ligatures",
"fontVariantLigatures"
]
},
{
"name": "font-variant-position",
"href": "https://www.w3.org/TR/css-fonts-4/#propdef-font-variant-position",
"value": "normal | sub | super",
"initial": "normal",
"appliesTo": "all elements and text",
"inherited": "yes",
"percentages": "n/a",
"computedValue": "as specified",
"canonicalOrder": "per grammar",
"animationType": "discrete",
"values": [
{
"name": "normal",
"prose": "None of the features listed below are enabled.",
"href": "https://www.w3.org/TR/css-fonts-4/#font-variant-position-normal-value",
"type": "value",
"value": "normal"
},
{
"name": "sub",
"prose": "Enables display of subscript variants (OpenType feature: subs).",
"href": "https://www.w3.org/TR/css-fonts-4/#valdef-font-variant-position-sub",
"type": "value",
"value": "sub"
},
{
"name": "super",
"prose": "Enables display of superscript variants (OpenType feature: sups).",
"href": "https://www.w3.org/TR/css-fonts-4/#valdef-font-variant-position-super",
"type": "value",
"value": "super"
}
],
"styleDeclaration": [
"font-variant-position",
"fontVariantPosition"
]
},
{
"name": "font-variant-caps",
"href": "https://www.w3.org/TR/css-fonts-4/#propdef-font-variant-caps",
"value": "normal | small-caps | all-small-caps | petite-caps | all-petite-caps | unicase | titling-caps",
"initial": "normal",
"appliesTo": "all elements and text",
"inherited": "yes",
"percentages": "n/a",
"computedValue": "as specified",
"canonicalOrder": "per grammar",
"animationType": "discrete",
"values": [
{
"name": "normal",
"prose": "None of the features listed below are enabled.",
"href": "https://www.w3.org/TR/css-fonts-4/#font-variant-caps-normal-value",
"type": "value",
"value": "normal"
},
{
"name": "small-caps",
"prose": "Enables display of small capitals (OpenType feature: smcp). Small-caps glyphs typically use the form of uppercase letters but are reduced to the size of lowercase letters.",
"href": "https://www.w3.org/TR/css-fonts-4/#valdef-font-variant-caps-small-caps",
"type": "value",
"value": "small-caps"
},
{
"name": "all-small-caps",
"prose": "Enables display of small capitals for both upper and lowercase letters (OpenType features: c2sc, smcp).",
"href": "https://www.w3.org/TR/css-fonts-4/#valdef-font-variant-caps-all-small-caps",
"type": "value",
"value": "all-small-caps"
},
{
"name": "petite-caps",
"prose": "Enables display of petite capitals (OpenType feature: pcap).",
"href": "https://www.w3.org/TR/css-fonts-4/#valdef-font-variant-caps-petite-caps",
"type": "value",
"value": "petite-caps"
},
{
"name": "all-petite-caps",
"prose": "Enables display of petite capitals for both upper and lowercase letters (OpenType features: c2pc, pcap).",
"href": "https://www.w3.org/TR/css-fonts-4/#valdef-font-variant-caps-all-petite-caps",
"type": "value",
"value": "all-petite-caps"
},
{
"name": "unicase",
"prose": "Enables display of mixture of small capitals for uppercase letters with normal lowercase letters (OpenType feature: unic).",
"href": "https://www.w3.org/TR/css-fonts-4/#valdef-font-variant-caps-unicase",
"type": "value",
"value": "unicase"
},
{
"name": "titling-caps",
"prose": "Enables display of titling capitals (OpenType feature: titl). Uppercase letter glyphs are often designed for use with lowercase letters. When used in all uppercase titling sequences they can appear too strong. Titling capitals are designed specifically for this situation.",
"href": "https://www.w3.org/TR/css-fonts-4/#valdef-font-variant-caps-titling-caps",
"type": "value",
"value": "titling-caps"
}
],
"styleDeclaration": [
"font-variant-caps",
"fontVariantCaps"
]
},
{
"name": "font-variant-numeric",
"href": "https://www.w3.org/TR/css-fonts-4/#propdef-font-variant-numeric",
"value": "normal | [ <numeric-figure-values> || <numeric-spacing-values> || <numeric-fraction-values> || ordinal || slashed-zero ]",
"initial": "normal",
"appliesTo": "all elements and text",
"inherited": "yes",
"percentages": "n/a",
"computedValue": "as specified",
"canonicalOrder": "per grammar",
"animationType": "discrete",
"values": [
{
"name": "normal",
"prose": "None of the features listed below are enabled.",
"href": "https://www.w3.org/TR/css-fonts-4/#font-variant-numeric-normal-value",
"type": "value",
"value": "normal"
},
{
"name": "lining-nums",
"prose": "Enables display of lining numerals (OpenType feature: lnum).",
"href": "https://www.w3.org/TR/css-fonts-4/#valdef-font-variant-numeric-lining-nums",
"type": "value",
"value": "lining-nums"
},
{
"name": "oldstyle-nums",
"prose": "Enables display of old-style numerals (OpenType feature: onum).",
"href": "https://www.w3.org/TR/css-fonts-4/#valdef-font-variant-numeric-oldstyle-nums",
"type": "value",
"value": "oldstyle-nums"
},
{
"name": "proportional-nums",
"prose": "Enables display of proportional numerals (OpenType feature: pnum).",
"href": "https://www.w3.org/TR/css-fonts-4/#valdef-font-variant-numeric-proportional-nums",
"type": "value",
"value": "proportional-nums"
},
{
"name": "tabular-nums",
"prose": "Enables display of tabular numerals (OpenType feature: tnum).",
"href": "https://www.w3.org/TR/css-fonts-4/#valdef-font-variant-numeric-tabular-nums",
"type": "value",
"value": "tabular-nums"
},
{
"name": "diagonal-fractions",
"prose": "Enables display of lining diagonal fractions (OpenType feature: frac).",
"href": "https://www.w3.org/TR/css-fonts-4/#valdef-font-variant-numeric-diagonal-fractions",
"type": "value",
"value": "diagonal-fractions"
},
{
"name": "stacked-fractions",
"prose": "Enables display of lining stacked fractions (OpenType feature: afrc).",
"href": "https://www.w3.org/TR/css-fonts-4/#valdef-font-variant-numeric-stacked-fractions",
"type": "value",
"value": "stacked-fractions"
},
{
"name": "ordinal",
"prose": "Enables display of letter forms used with ordinal numbers (OpenType feature: ordn).",
"href": "https://www.w3.org/TR/css-fonts-4/#valdef-font-variant-numeric-ordinal",
"type": "value",
"value": "ordinal"
},
{
"name": "slashed-zero",
"prose": "Enables display of slashed zeros (OpenType feature: zero).",
"href": "https://www.w3.org/TR/css-fonts-4/#valdef-font-variant-numeric-slashed-zero",
"type": "value",
"value": "slashed-zero"
}
],
"styleDeclaration": [
"font-variant-numeric",
"fontVariantNumeric"
]
},
{
"name": "font-variant-alternates",
"href": "https://www.w3.org/TR/css-fonts-4/#propdef-font-variant-alternates",
"value": "normal | [ stylistic(<feature-value-name>) || historical-forms || styleset(<feature-value-name>#) || character-variant(<feature-value-name>#) || swash(<feature-value-name>) || ornaments(<feature-value-name>) || annotation(<feature-value-name>) ]",
"initial": "normal",
"appliesTo": "all elements and text",
"inherited": "yes",
"percentages": "n/a",
"computedValue": "as specified",
"canonicalOrder": "per grammar",
"animationType": "discrete",
"values": [
{
"name": "normal",
"prose": "None of the features listed below are enabled.",
"href": "https://www.w3.org/TR/css-fonts-4/#font-variant-alternates-normal-value",
"type": "value",
"value": "normal"
},
{
"name": "historical-forms",
"prose": "Enables display of historical forms (OpenType feature: hist).",
"href": "https://www.w3.org/TR/css-fonts-4/#valdef-font-variant-alternates-historical-forms",
"type": "value",
"value": "historical-forms"
},
{
"name": "stylistic()",
"value": "stylistic()",
"href": "https://www.w3.org/TR/css-fonts-4/#stylistic",
"type": "value"
},
{
"name": "styleset()",
"value": "styleset()",
"href": "https://www.w3.org/TR/css-fonts-4/#styleset",
"type": "value"
},
{
"name": "character-variant()",
"value": "character-variant()",
"href": "https://www.w3.org/TR/css-fonts-4/#character-variant",
"type": "value"
},
{
"name": "swash()",
"value": "swash()",
"href": "https://www.w3.org/TR/css-fonts-4/#swash",
"type": "value"
},
{
"name": "ornaments()",
"value": "ornaments()",
"href": "https://www.w3.org/TR/css-fonts-4/#ornaments",
"type": "value"
},
{
"name": "annotation()",
"value": "annotation()",
"href": "https://www.w3.org/TR/css-fonts-4/#annotation",
"type": "value"
}
],
"styleDeclaration": [
"font-variant-alternates",
"fontVariantAlternates"
]
},
{
"name": "font-variant-east-asian",
"href": "https://www.w3.org/TR/css-fonts-4/#propdef-font-variant-east-asian",
"value": "normal | [ <east-asian-variant-values> || <east-asian-width-values> || ruby ]",
"initial": "normal",
"appliesTo": "all elements and text",
"inherited": "yes",
"percentages": "n/a",
"computedValue": "as specified",
"canonicalOrder": "per grammar",
"animationType": "discrete",
"values": [
{
"name": "normal",
"prose": "None of the features listed below are enabled.",
"href": "https://www.w3.org/TR/css-fonts-4/#font-variant-east-asian-normal-value",
"type": "value",
"value": "normal"
},
{
"name": "jis78",
"prose": "Enables rendering of JIS78 forms (OpenType feature: jp78).",
"href": "https://www.w3.org/TR/css-fonts-4/#valdef-font-variant-east-asian-jis78",
"type": "value",
"value": "jis78"
},
{
"name": "jis83",
"prose": "Enables rendering of JIS83 forms (OpenType feature: jp83).",
"href": "https://www.w3.org/TR/css-fonts-4/#valdef-font-variant-east-asian-jis83",
"type": "value",
"value": "jis83"
},
{
"name": "jis90",
"prose": "Enables rendering of JIS90 forms (OpenType feature: jp90).",
"href": "https://www.w3.org/TR/css-fonts-4/#valdef-font-variant-east-asian-jis90",
"type": "value",
"value": "jis90"
},
{
"name": "jis04",
"prose": "Enables rendering of JIS2004 forms (OpenType feature: jp04). The various JIS variants reflect the glyph forms defined in different Japanese national standards. Fonts generally include glyphs defined by the most recent national standard, but it’s sometimes necessary to use older variants, to match signage for example.",
"href": "https://www.w3.org/TR/css-fonts-4/#valdef-font-variant-east-asian-jis04",
"type": "value",
"value": "jis04"
},
{
"name": "simplified",
"prose": "Enables rendering of simplified forms (OpenType feature: smpl).",
"href": "https://www.w3.org/TR/css-fonts-4/#valdef-font-variant-east-asian-simplified",
"type": "value",
"value": "simplified"
},
{
"name": "traditional",
"prose": "Enables rendering of traditional forms (OpenType feature: trad). The simplified and traditional values allow control over the glyph forms for characters which have been simplified over time but for which the older, traditional form is still used in some contexts. The exact set of characters and glyph forms will vary to some degree by the context for which a given font was designed.",
"href": "https://www.w3.org/TR/css-fonts-4/#valdef-font-variant-east-asian-traditional",
"type": "value",
"value": "traditional"
},
{
"name": "full-width",
"prose": "Enables rendering of full-width variants (OpenType feature: fwid).",
"href": "https://www.w3.org/TR/css-fonts-4/#valdef-font-variant-east-asian-full-width",
"type": "value",
"value": "full-width"
},
{
"name": "proportional-width",
"prose": "Enables rendering of proportionally-spaced variants (OpenType feature: pwid).",
"href": "https://www.w3.org/TR/css-fonts-4/#valdef-font-variant-east-asian-proportional-width",
"type": "value",
"value": "proportional-width"
},
{
"name": "ruby",
"prose": "Enables display of ruby variant glyphs (OpenType feature: ruby). Since ruby text is generally smaller than the associated body text, font designers can design special glyphs for use with ruby that are more readable than scaled down versions of the default glyphs. Only glyph selection is affected, there is no associated font scaling or other change that affects line layout. The red ruby text below is shown with default glyphs (top) and with ruby variant glyphs (bottom). Note the slight difference in stroke thickness.",
"href": "https://www.w3.org/TR/css-fonts-4/#valdef-font-variant-east-asian-ruby",
"type": "value",
"value": "ruby"
}
],
"styleDeclaration": [
"font-variant-east-asian",
"fontVariantEastAsian"
]
},
{
"name": "font-variant",
"href": "https://www.w3.org/TR/css-fonts-4/#propdef-font-variant",
"value": "normal | none | [ [ <common-lig-values> || <discretionary-lig-values> || <historical-lig-values> || <contextual-alt-values> ] || [ small-caps | all-small-caps | petite-caps | all-petite-caps | unicase | titling-caps ] || [ stylistic(<feature-value-name>) || historical-forms || styleset(<feature-value-name>#) || character-variant(<feature-value-name>#) || swash(<feature-value-name>) || ornaments(<feature-value-name>) || annotation(<feature-value-name>) ] || [ <numeric-figure-values> || <numeric-spacing-values> || <numeric-fraction-values> || ordinal || slashed-zero ] || [ <east-asian-variant-values> || <east-asian-width-values> || ruby ] || [ sub | super ] || [ text | emoji | unicode ] ]",
"initial": "normal",
"appliesTo": "all elements and text",
"inherited": "yes",
"percentages": "n/a",
"computedValue": "as specified",
"canonicalOrder": "per grammar",
"animationType": "discrete",
"values": [
{
"name": "normal",
"prose": "The value normal resets all subproperties of font-variant to their initial value. The none value sets font-variant-ligatures to none and resets all other font feature properties to their initial value. Like other shorthands, using font-variant resets unspecified font-variant subproperties to their initial values.",
"href": "https://www.w3.org/TR/css-fonts-4/#font-variant-normal-value",
"type": "value",
"value": "normal"
},
{
"name": "none",
"prose": "The value normal resets all subproperties of font-variant to their initial value. The none value sets font-variant-ligatures to none and resets all other font feature properties to their initial value. Like other shorthands, using font-variant resets unspecified font-variant subproperties to their initial values.",
"href": "https://www.w3.org/TR/css-fonts-4/#font-variant-none-value",
"type": "value",
"value": "none"
}
],
"styleDeclaration": [
"font-variant",
"fontVariant"
]
},
{
"name": "font-feature-settings",
"href": "https://www.w3.org/TR/css-fonts-4/#propdef-font-feature-settings",
"value": "normal | <feature-tag-value>#",
"initial": "normal",
"appliesTo": "all elements and text",
"inherited": "yes",
"percentages": "n/a",
"computedValue": "as specified",
"canonicalOrder": "per grammar",
"animationType": "discrete",
"values": [
{
"name": "normal",
"prose": "A value of normal means that no change in glyph selection or positioning occurs due to this property.",
"href": "https://www.w3.org/TR/css-fonts-4/#font-feature-settings-normal-value",
"type": "value",
"value": "normal"
},
{
"name": "<feature-tag-value>",
"href": "https://www.w3.org/TR/css-fonts-4/#feature-tag-value",
"type": "value",
"value": "<opentype-tag> [ <integer [0,∞]> | on | off ]?"