guanlan-src/app_frontEnd/web/node_modules/mdn-data/css/at-rules.json

{
  "@charset": {
    "syntax": "@charset \"<charset>\";",
    "groups": [
      "CSS Syntax"
    ],
    "status": "standard",
    "mdn_url": "https://developer.mozilla.org/docs/Web/CSS/@charset"
  },
  "@counter-style": {
    "syntax": "@counter-style <counter-style-name> {\n  [ system: <counter-system>; ] ||\n  [ symbols: <counter-symbols>; ] ||\n  [ additive-symbols: <additive-symbols>; ] ||\n  [ negative: <negative-symbol>; ] ||\n  [ prefix: <prefix>; ] ||\n  [ suffix: <suffix>; ] ||\n  [ range: <range>; ] ||\n  [ pad: <padding>; ] ||\n  [ speak-as: <speak-as>; ] ||\n  [ fallback: <counter-style-name>; ]\n}",
    "interfaces": [
      "CSSCounterStyleRule"
    ],
    "groups": [
      "CSS Counter Styles"
    ],
    "descriptors": {
      "additive-symbols": {
        "syntax": "[ <integer [0,∞]> && <symbol> ]#",
        "media": "all",
        "initial": "n/a (required)",
        "percentages": "no",
        "computed": "asSpecified",
        "order": "orderOfAppearance",
        "status": "standard",
        "mdn_url": "https://developer.mozilla.org/docs/Web/CSS/@counter-style/additive-symbols"
      },
      "fallback": {
        "syntax": "<counter-style-name>",
        "media": "all",
        "initial": "decimal",
        "percentages": "no",
        "computed": "asSpecified",
        "order": "uniqueOrder",
        "status": "standard",
        "mdn_url": "https://developer.mozilla.org/docs/Web/CSS/@counter-style/fallback"
      },
      "negative": {
        "syntax": "<symbol> <symbol>?",
        "media": "all",
        "initial": "\"-\" hyphen-minus",
        "percentages": "no",
        "computed": "asSpecified",
        "order": "orderOfAppearance",
        "status": "standard",
        "mdn_url": "https://developer.mozilla.org/docs/Web/CSS/@counter-style/negative"
      },
      "pad": {
        "syntax": "<integer [0,∞]> && <symbol>",
        "media": "all",
        "initial": "0 \"\"",
        "percentages": "no",
        "computed": "asSpecified",
        "order": "uniqueOrder",
        "status": "standard",
        "mdn_url": "https://developer.mozilla.org/docs/Web/CSS/@counter-style/pad"
      },
      "prefix": {
        "syntax": "<symbol>",
        "media": "all",
        "initial": "\"\"",
        "percentages": "no",
        "computed": "asSpecified",
        "order": "uniqueOrder",
        "status": "standard",
        "mdn_url": "https://developer.mozilla.org/docs/Web/CSS/@counter-style/prefix"
      },
      "range": {
        "syntax": "[ [ <integer> | infinite ]{2} ]# | auto",
        "media": "all",
        "initial": "auto",
        "percentages": "no",
        "computed": "asSpecified",
        "order": "orderOfAppearance",
        "status": "standard",
        "mdn_url": "https://developer.mozilla.org/docs/Web/CSS/@counter-style/range"
      },
      "speak-as": {
        "syntax": "auto | bullets | numbers | words | spell-out | <counter-style-name>",
        "media": "all",
        "initial": "auto",
        "percentages": "no",
        "computed": "asSpecified",
        "order": "uniqueOrder",
        "status": "standard",
        "mdn_url": "https://developer.mozilla.org/docs/Web/CSS/@counter-style/speak-as"
      },
      "suffix": {
        "syntax": "<symbol>",
        "media": "all",
        "initial": "\". \"",
        "percentages": "no",
        "computed": "asSpecified",
        "order": "uniqueOrder",
        "status": "standard",
        "mdn_url": "https://developer.mozilla.org/docs/Web/CSS/@counter-style/suffix"
      },
      "symbols": {
        "syntax": "<symbol>+",
        "media": "all",
        "initial": "n/a (required)",
        "percentages": "no",
        "computed": "asSpecified",
        "order": "orderOfAppearance",
        "status": "standard",
        "mdn_url": "https://developer.mozilla.org/docs/Web/CSS/@counter-style/symbols"
      },
      "system": {
        "syntax": "cyclic | numeric | alphabetic | symbolic | additive | [ fixed <integer>? ] | [ extends <counter-style-name> ]",
        "media": "all",
        "initial": "symbolic",
        "percentages": "no",
        "computed": "asSpecified",
        "order": "uniqueOrder",
        "status": "standard",
        "mdn_url": "https://developer.mozilla.org/docs/Web/CSS/@counter-style/system"
      }
    },
    "status": "standard",
    "mdn_url": "https://developer.mozilla.org/docs/Web/CSS/@counter-style"
  },
  "@container": {
    "syntax": "@container <container-condition># {\n  <block-contents>\n}",
    "interfaces": [
      "CSSContainerRule"
    ],
    "groups": [
      "CSS Conditional Rules"
    ],
    "status": "standard",
    "mdn_url": "https://developer.mozilla.org/docs/Web/CSS/@container"
  },
  "@document": {
    "syntax": "@document [ <url> | url-prefix(<string>) | domain(<string>) | media-document(<string>) | regexp(<string>) ]# {\n  <group-rule-body>\n}",
    "interfaces": [
      "CSSDocumentRule"
    ],
    "groups": [
      "CSS Conditional Rules"
    ],
    "status": "nonstandard",
    "mdn_url": "https://developer.mozilla.org/docs/Web/CSS/@document"
  },
  "@font-face": {
    "syntax": "@font-face {\n  [ font-family: <family-name>; ] ||\n  [ src: <src>; ] ||\n  [ unicode-range: <unicode-range>; ] ||\n  [ font-variant: <font-variant>; ] ||\n  [ font-feature-settings: <font-feature-settings>; ] ||\n  [ font-variation-settings: <font-variation-settings>; ] ||\n  [ font-stretch: <font-stretch>; ] ||\n  [ font-weight: <font-weight>; ] ||\n  [ font-style: <font-style>; ] ||\n  [ size-adjust: <size-adjust>; ] ||\n  [ ascent-override: <ascent-override>; ] ||\n  [ descent-override: <descent-override>; ] ||\n  [ line-gap-override: <line-gap-override>; ]\n}",
    "interfaces": [
      "CSSFontFaceRule"
    ],
    "groups": [
      "CSS Fonts"
    ],
    "descriptors": {
      "ascent-override": {
        "syntax": "normal | <percentage>",
        "media": "all",
        "initial": "normal",
        "percentages": "asSpecified",
        "computed": "asSpecified",
        "order": "orderOfAppearance",
        "status": "standard",
        "mdn_url": "https://developer.mozilla.org/docs/Web/CSS/@font-face/ascent-override"
      },
      "descent-override": {
        "syntax": "normal | <percentage>",
        "media": "all",
        "initial": "normal",
        "percentages": "asSpecified",
        "computed": "asSpecified",
        "order": "orderOfAppearance",
        "status": "standard",
        "mdn_url": "https://developer.mozilla.org/docs/Web/CSS/@font-face/descent-override"
      },
      "font-display": {
        "syntax": "auto | block | swap | fallback | optional",
        "media": "visual",
        "percentages": "no",
        "initial": "auto",
        "computed": "asSpecified",
        "order": "uniqueOrder",
        "status": "standard",
        "mdn_url": "https://developer.mozilla.org/docs/Web/CSS/@font-face/font-display"
      },
      "font-family": {
        "syntax": "<family-name>",
        "media": "all",
        "initial": "n/a (required)",
        "percentages": "no",
        "computed": "asSpecified",
        "order": "uniqueOrder",
        "status": "standard",
        "mdn_url": "https://developer.mozilla.org/docs/Web/CSS/@font-face/font-family"
      },
      "font-feature-settings": {
        "syntax": "normal | <feature-tag-value>#",
        "media": "all",
        "initial": "normal",
        "percentages": "no",
        "computed": "asSpecified",
        "order": "orderOfAppearance",
        "status": "standard",
        "mdn_url": "https://developer.mozilla.org/docs/Web/CSS/@font-face/font-feature-settings"
      },
      "font-stretch": {
        "syntax": "<font-stretch-absolute>{1,2}",
        "media": "all",
        "initial": "normal",
        "percentages": "no",
        "computed": "asSpecified",
        "order": "uniqueOrder",
        "status": "obsolete",
        "mdn_url": "https://developer.mozilla.org/docs/Web/CSS/@font-face/font-stretch"
      },
      "font-style": {
        "syntax": "normal | italic | oblique <angle>{0,2}",
        "media": "all",
        "initial": "normal",
        "percentages": "no",
        "computed": "asSpecified",
        "order": "uniqueOrder",
        "status": "standard",
        "mdn_url": "https://developer.mozilla.org/docs/Web/CSS/@font-face/font-style"
      },
      "font-variation-settings": {
        "syntax": "normal | [ <string> <number> ]#",
        "media": "all",
        "initial": "normal",
        "percentages": "no",
        "computed": "asSpecified",
        "order": "orderOfAppearance",
        "status": "standard",
        "mdn_url": "https://developer.mozilla.org/docs/Web/CSS/@font-face/font-variation-settings"
      },
      "font-weight": {
        "syntax": "<font-weight-absolute>{1,2}",
        "media": "all",
        "initial": "normal",
        "percentages": "no",
        "computed": "asSpecified",
        "order": "uniqueOrder",
        "status": "standard",
        "mdn_url": "https://developer.mozilla.org/docs/Web/CSS/@font-face/font-weight"
      },
      "line-gap-override": {
        "syntax": "normal | <percentage>",
        "media": "all",
        "initial": "normal",
        "percentages": "asSpecified",
        "computed": "asSpecified",
        "order": "orderOfAppearance",
        "status": "standard",
        "mdn_url": "https://developer.mozilla.org/docs/Web/CSS/@font-face/line-gap-override"
      },
      "size-adjust": {
        "syntax": "<percentage>",
        "media": "all",
        "initial": "100%",
        "percentages": "asSpecified",
        "computed": "asSpecified",
        "order": "orderOfAppearance",
        "status": "standard",
        "mdn_url": "https://developer.mozilla.org/docs/Web/CSS/@font-face/size-adjust"
      },
      "src": {
        "syntax": "[ <url> [ format( <string># ) ]? | local( <family-name> ) ]#",
        "media": "all",
        "initial": "n/a (required)",
        "percentages": "no",
        "computed": "asSpecified",
        "order": "orderOfAppearance",
        "status": "standard",
        "mdn_url": "https://developer.mozilla.org/docs/Web/CSS/@font-face/src"
      },
      "unicode-range": {
        "syntax": "<unicode-range-token>#",
        "media": "all",
        "initial": "U+0-10FFFF",
        "percentages": "no",
        "computed": "asSpecified",
        "order": "orderOfAppearance",
        "status": "standard",
        "mdn_url": "https://developer.mozilla.org/docs/Web/CSS/@font-face/unicode-range"
      }
    },
    "status": "standard",
    "mdn_url": "https://developer.mozilla.org/docs/Web/CSS/@font-face"
  },
  "@font-feature-values": {
    "syntax": "@font-feature-values <family-name># {\n  <feature-value-block-list>\n}",
    "interfaces": [
      "CSSFontFeatureValuesRule"
    ],
    "groups": [
      "CSS Fonts"
    ],
    "status": "standard",
    "mdn_url": "https://developer.mozilla.org/docs/Web/CSS/@font-feature-values"
  },
  "@font-palette-values": {
    "syntax": "@font-palette-values <dashed-ident> {\n  <declaration-list>\n}",
    "interfaces": [
      "CSSFontPaletteValuesRule"
    ],
    "groups": [
      "CSS Fonts"
    ],
    "descriptors": {
      "base-palette": {
        "syntax": "light | dark | <integer [0,∞]>",
        "media": "all",
        "initial": "n/a (required)",
        "percentages": "no",
        "computed": "asSpecified",
        "order": "uniqueOrder",
        "status": "standard",
        "mdn_url": "https://developer.mozilla.org/docs/Web/CSS/@font-palette-values/base-palette"
      },
      "font-family": {
        "syntax": "<family-name>#",
        "media": "all",
        "initial": "n/a (required)",
        "percentages": "no",
        "computed": "asSpecified",
        "order": "orderOfAppearance",
        "status": "standard",
        "mdn_url": "https://developer.mozilla.org/docs/Web/CSS/@font-palette-values/font-family"
      },
      "override-colors": {
        "syntax": "[ <integer [0,∞]> <color> ]#",
        "media": "all",
        "initial": "n/a (required)",
        "percentages": "no",
        "computed": "asSpecified",
        "order": "orderOfAppearance",
        "status": "standard",
        "mdn_url": "https://developer.mozilla.org/docs/Web/CSS/@font-palette-values/override-colors"
      }
    },
    "status": "standard",
    "mdn_url": "https://developer.mozilla.org/docs/Web/CSS/@font-palette-values"
  },
  "@import": {
    "syntax": "@import [ <string> | <url> ]\n        [ layer | layer(<layer-name>) ]?\n        [ supports( [ <supports-condition> | <declaration> ] ) ]?\n        <media-query-list>? ;",
    "interfaces": [
      "CSSImportRule"
    ],
    "groups": [
      "CSS Cascading and Inheritance"
    ],
    "status": "standard",
    "mdn_url": "https://developer.mozilla.org/docs/Web/CSS/@import"
  },
  "@keyframes": {
    "syntax": "@keyframes <keyframes-name> {\n  <qualified-rule-list>\n}",
    "interfaces": [
      "CSSKeyframeRule",
      "CSSKeyframesRule"
    ],
    "groups": [
      "CSS Animations"
    ],
    "status": "standard",
    "mdn_url": "https://developer.mozilla.org/docs/Web/CSS/@keyframes"
  },
  "@layer": {
    "syntax": "@layer [ <layer-name># | <layer-name>?  {\n  <stylesheet>\n} ]",
    "interfaces": [
      "CSSLayerBlockRule",
      "CSSLayerStatementRule"
    ],
    "groups": [
      "CSS Cascading and Inheritance"
    ],
    "status": "standard",
    "mdn_url": "https://developer.mozilla.org/docs/Web/CSS/@layer"
  },
  "@media": {
    "syntax": "@media <media-query-list> {\n  <group-rule-body>\n}",
    "interfaces": [
      "CSSMediaRule"
    ],
    "groups": [
      "CSS Conditional Rules",
      "Media Queries"
    ],
    "status": "standard",
    "mdn_url": "https://developer.mozilla.org/docs/Web/CSS/@media"
  },
  "@namespace": {
    "syntax": "@namespace <namespace-prefix>? [ <string> | <url> ];",
    "interfaces": [
      "CSSNamespaceRule"
    ],
    "groups": [
      "CSS Namespaces"
    ],
    "status": "standard",
    "mdn_url": "https://developer.mozilla.org/docs/Web/CSS/@namespace"
  },
  "@page": {
    "syntax": "@page <page-selector-list> {\n  <page-body>\n}",
    "interfaces": [
      "CSSPageRule"
    ],
    "groups": [
      "CSS Paged Media"
    ],
    "descriptors": {
      "bleed": {
        "syntax": "auto | <length>",
        "media": [
          "visual",
          "paged"
        ],
        "initial": "auto",
        "percentages": "no",
        "computed": "asSpecified",
        "order": "uniqueOrder",
        "status": "standard"
      },
      "marks": {
        "syntax": "none | [ crop || cross ]",
        "media": [
          "visual",
          "paged"
        ],
        "initial": "none",
        "percentages": "no",
        "computed": "asSpecified",
        "order": "orderOfAppearance",
        "status": "standard"
      },
      "page-orientation": {
        "syntax": "upright | rotate-left | rotate-right",
        "media": [
          "visual",
          "paged"
        ],
        "initial": "upright",
        "percentages": "no",
        "computed": "asSpecified",
        "order": "orderOfAppearance",
        "status": "standard",
        "mdn_url": "https://developer.mozilla.org/docs/Web/CSS/@page/page-orientation"
      },
      "size": {
        "syntax": "<length [0,∞]>{1,2} | auto | [ <page-size> || [ portrait | landscape ] ]",
        "media": [
          "visual",
          "paged"
        ],
        "initial": "auto",
        "percentages": "no",
        "computed": "asSpecifiedRelativeToAbsoluteLengths",
        "order": "orderOfAppearance",
        "status": "standard",
        "mdn_url": "https://developer.mozilla.org/docs/Web/CSS/@page/size"
      }
    },
    "status": "standard",
    "mdn_url": "https://developer.mozilla.org/docs/Web/CSS/@page"
  },
  "@position-try": {
    "syntax": "@position-try <dashed-ident> {\n  <declaration-list>\n}",
    "interfaces": [
      "CSSPositionTryRule"
    ],
    "groups": [
      "CSS Anchor Positioning"
    ],
    "status": "experimental",
    "mdn_url": "https://developer.mozilla.org/docs/Web/CSS/@position-try"
  },
  "@property": {
    "syntax": "@property <custom-property-name> {\n  <declaration-list>\n}",
    "interfaces": [
      "CSSPropertyRule"
    ],
    "groups": [
      "CSS Houdini"
    ],
    "descriptors": {
      "inherits": {
        "syntax": "true | false",
        "media": "all",
        "percentages": "no",
        "initial": "auto",
        "computed": "asSpecified",
        "order": "uniqueOrder",
        "status": "standard",
        "mdn_url": "https://developer.mozilla.org/docs/Web/CSS/@property/inherits"
      },
      "initial-value": {
        "syntax": "<declaration-value>?",
        "media": "all",
        "initial": "n/a (required)",
        "percentages": "no",
        "computed": "asSpecified",
        "order": "uniqueOrder",
        "status": "standard",
        "mdn_url": "https://developer.mozilla.org/docs/Web/CSS/@property/initial-value"
      },
      "syntax": {
        "syntax": "<string>",
        "media": "all",
        "percentages": "no",
        "initial": "n/a (required)",
        "computed": "asSpecified",
        "order": "uniqueOrder",
        "status": "standard",
        "mdn_url": "https://developer.mozilla.org/docs/Web/CSS/@property/syntax"
      }
    },
    "status": "standard",
    "mdn_url": "https://developer.mozilla.org/docs/Web/CSS/@property"
  },
  "@scope": {
    "syntax": "@scope [(<scope-start>)]? [to (<scope-end>)]? {\n  <rule-list>\n}",
    "interfaces": [
      "CSSScopeRule"
    ],
    "groups": [
      "CSS Conditional Rules"
    ],
    "status": "standard",
    "mdn_url": "https://developer.mozilla.org/docs/Web/CSS/@scope"
  },
  "@starting-style": {
    "syntax": "@starting-style {\n  <declaration-list> | <group-rule-body>\n}",
    "interfaces": [
      "CSSStartingStyleRule"
    ],
    "groups": [
      "CSS Transitions"
    ],
    "status": "standard",
    "mdn_url": "https://developer.mozilla.org/docs/Web/CSS/@starting-style"
  },
  "@supports": {
    "syntax": "@supports <supports-condition> {\n  <group-rule-body>\n}",
    "interfaces": [
      "CSSSupportsRule"
    ],
    "groups": [
      "CSS Conditional Rules"
    ],
    "status": "standard",
    "mdn_url": "https://developer.mozilla.org/docs/Web/CSS/@supports"
  },
  "@view-transition": {
    "syntax": "@view-transition {\n  <declaration-list>\n}",
    "interfaces": [
      "CSSViewTransitionRule"
    ],
    "groups": [
      "CSS View Transitions"
    ],
    "descriptors": {
      "navigation": {
        "syntax": "auto | none",
        "media": "all",
        "initial": "none",
        "percentages": "no",
        "computed": "asSpecified",
        "order": "uniqueOrder",
        "status": "standard"
      },
      "types": {
        "syntax": "none | <custom-ident>+",
        "media": "all",
        "initial": "none",
        "percentages": "no",
        "computed": "asSpecified",
        "order": "uniqueOrder",
        "status": "standard"
      }
    },
    "status": "standard",
    "mdn_url": "https://developer.mozilla.org/docs/Web/CSS/@view-transition"
  }
}