{
"css": {
"types": {
"length": {
"__compat": {
"description": "<length>
",
"mdn_url": "https://developer.mozilla.org/docs/Web/CSS/length",
"spec_url": "https://drafts.csswg.org/css-values/#lengths",
"support": {
"chrome": {
"version_added": "1"
},
"chrome_android": "mirror",
"edge": {
"version_added": "12"
},
"firefox": {
"version_added": "1"
},
"firefox_android": "mirror",
"ie": {
"version_added": "3"
},
"oculus": "mirror",
"opera": {
"version_added": "3.5"
},
"opera_android": {
"version_added": "10.1"
},
"safari": {
"version_added": "1"
},
"safari_ios": "mirror",
"samsunginternet_android": "mirror",
"webview_android": {
"version_added": "≤37"
}
},
"status": {
"experimental": false,
"standard_track": true,
"deprecated": false
}
},
"Q": {
"__compat": {
"description": "Q
unit",
"support": {
"chrome": {
"version_added": "63"
},
"chrome_android": "mirror",
"edge": "mirror",
"firefox": {
"version_added": "49"
},
"firefox_android": "mirror",
"ie": {
"version_added": false
},
"oculus": "mirror",
"opera": "mirror",
"opera_android": "mirror",
"safari": {
"version_added": "13.1"
},
"safari_ios": "mirror",
"samsunginternet_android": "mirror",
"webview_android": "mirror"
},
"status": {
"experimental": false,
"standard_track": true,
"deprecated": false
}
}
},
"cap": {
"__compat": {
"description": "cap
unit",
"tags": [
"web-features:cap"
],
"support": {
"chrome": {
"version_added": "118"
},
"chrome_android": "mirror",
"edge": "mirror",
"firefox": {
"version_added": "97"
},
"firefox_android": "mirror",
"ie": {
"version_added": false
},
"oculus": "mirror",
"opera": "mirror",
"opera_android": "mirror",
"safari": {
"version_added": "17.2"
},
"safari_ios": "mirror",
"samsunginternet_android": "mirror",
"webview_android": "mirror"
},
"status": {
"experimental": false,
"standard_track": true,
"deprecated": false
}
}
},
"ch": {
"__compat": {
"description": "ch
unit",
"support": {
"chrome": {
"version_added": "27"
},
"chrome_android": "mirror",
"edge": {
"version_added": "12"
},
"firefox": {
"version_added": "1",
"notes": [
"From Firefox 1 to Firefox 3, ch
was the width of the M character.",
"From Firefox 1 to Firefox 3, ch
did not work with border-width
and outline-width
CSS properties."
]
},
"firefox_android": {
"version_added": "4"
},
"ie": {
"version_added": "9"
},
"oculus": "mirror",
"opera": "mirror",
"opera_android": "mirror",
"safari": {
"version_added": "7"
},
"safari_ios": "mirror",
"samsunginternet_android": "mirror",
"webview_android": "mirror"
},
"status": {
"experimental": false,
"standard_track": true,
"deprecated": false
}
}
},
"container_query_length_units": {
"__compat": {
"description": "Container query length units cqw
, cqh
, cqi
, cqb
, cqmin
, cqmax
",
"tags": [
"web-features:container-queries"
],
"support": {
"chrome": {
"version_added": "105"
},
"chrome_android": "mirror",
"edge": "mirror",
"firefox": {
"version_added": "110"
},
"firefox_android": "mirror",
"ie": {
"version_added": false
},
"oculus": "mirror",
"opera": "mirror",
"opera_android": "mirror",
"safari": {
"version_added": "16"
},
"safari_ios": "mirror",
"samsunginternet_android": "mirror",
"webview_android": "mirror"
},
"status": {
"experimental": false,
"standard_track": true,
"deprecated": false
}
}
},
"em": {
"__compat": {
"description": "em
unit",
"support": {
"chrome": {
"version_added": "1"
},
"chrome_android": "mirror",
"edge": {
"version_added": "12"
},
"firefox": {
"version_added": "1"
},
"firefox_android": "mirror",
"ie": {
"version_added": "3"
},
"oculus": "mirror",
"opera": {
"version_added": "3.5"
},
"opera_android": {
"version_added": "10.1"
},
"safari": {
"version_added": "1"
},
"safari_ios": "mirror",
"samsunginternet_android": "mirror",
"webview_android": {
"version_added": "1"
}
},
"status": {
"experimental": false,
"standard_track": true,
"deprecated": false
}
}
},
"ex": {
"__compat": {
"description": "ex
unit",
"support": {
"chrome": {
"version_added": "1"
},
"chrome_android": "mirror",
"edge": {
"version_added": "12"
},
"firefox": {
"version_added": "1"
},
"firefox_android": "mirror",
"ie": {
"version_added": "4"
},
"oculus": "mirror",
"opera": {
"version_added": "3.5"
},
"opera_android": {
"version_added": "10.1"
},
"safari": {
"version_added": "1"
},
"safari_ios": "mirror",
"samsunginternet_android": "mirror",
"webview_android": "mirror"
},
"status": {
"experimental": false,
"standard_track": true,
"deprecated": false
}
}
},
"ic": {
"__compat": {
"description": "ic
unit",
"tags": [
"web-features:ic"
],
"support": {
"chrome": {
"version_added": "106"
},
"chrome_android": "mirror",
"edge": "mirror",
"firefox": {
"version_added": "97"
},
"firefox_android": "mirror",
"ie": {
"version_added": false
},
"oculus": "mirror",
"opera": "mirror",
"opera_android": "mirror",
"safari": {
"version_added": "15.4"
},
"safari_ios": "mirror",
"samsunginternet_android": "mirror",
"webview_android": "mirror"
},
"status": {
"experimental": false,
"standard_track": true,
"deprecated": false
}
}
},
"lh": {
"__compat": {
"description": "lh
unit",
"spec_url": "https://drafts.csswg.org/css-values/#lh",
"tags": [
"web-features:lh"
],
"support": {
"chrome": {
"version_added": "109"
},
"chrome_android": "mirror",
"edge": "mirror",
"firefox": {
"version_added": "120"
},
"firefox_android": "mirror",
"ie": {
"version_added": false
},
"oculus": "mirror",
"opera": "mirror",
"opera_android": "mirror",
"safari": {
"version_added": "16.4"
},
"safari_ios": "mirror",
"samsunginternet_android": "mirror",
"webview_android": "mirror"
},
"status": {
"experimental": false,
"standard_track": true,
"deprecated": false
}
}
},
"rcap": {
"__compat": {
"description": "rcap
unit",
"spec_url": "https://drafts.csswg.org/css-values/#rcap",
"support": {
"chrome": {
"version_added": "118"
},
"chrome_android": "mirror",
"edge": "mirror",
"firefox": {
"version_added": false
},
"firefox_android": "mirror",
"ie": {
"version_added": false
},
"oculus": "mirror",
"opera": "mirror",
"opera_android": "mirror",
"safari": {
"version_added": "17.2"
},
"safari_ios": "mirror",
"samsunginternet_android": "mirror",
"webview_android": "mirror"
},
"status": {
"experimental": false,
"standard_track": true,
"deprecated": false
}
}
},
"rch": {
"__compat": {
"description": "rch
unit",
"spec_url": "https://drafts.csswg.org/css-values/#rch",
"support": {
"chrome": {
"version_added": "111"
},
"chrome_android": "mirror",
"edge": "mirror",
"firefox": {
"version_added": false
},
"firefox_android": "mirror",
"ie": {
"version_added": false
},
"oculus": "mirror",
"opera": "mirror",
"opera_android": "mirror",
"safari": {
"version_added": "17.2"
},
"safari_ios": "mirror",
"samsunginternet_android": "mirror",
"webview_android": "mirror"
},
"status": {
"experimental": false,
"standard_track": true,
"deprecated": false
}
}
},
"rem": {
"__compat": {
"description": "rem
unit",
"support": {
"chrome": {
"version_added": "4"
},
"chrome_android": "mirror",
"edge": {
"version_added": "12"
},
"firefox": {
"version_added": "3.6"
},
"firefox_android": "mirror",
"ie": {
"version_added": "9"
},
"oculus": "mirror",
"opera": {
"version_added": "11.6"
},
"opera_android": {
"version_added": "12"
},
"safari": {
"version_added": "5"
},
"safari_ios": {
"version_added": "4"
},
"samsunginternet_android": "mirror",
"webview_android": {
"version_added": "2"
}
},
"status": {
"experimental": false,
"standard_track": true,
"deprecated": false
}
}
},
"rex": {
"__compat": {
"description": "rex
unit",
"spec_url": "https://drafts.csswg.org/css-values/#rex",
"support": {
"chrome": {
"version_added": "111"
},
"chrome_android": "mirror",
"edge": "mirror",
"firefox": {
"version_added": false
},
"firefox_android": "mirror",
"ie": {
"version_added": false
},
"oculus": "mirror",
"opera": "mirror",
"opera_android": "mirror",
"safari": {
"version_added": "17.2"
},
"safari_ios": "mirror",
"samsunginternet_android": "mirror",
"webview_android": "mirror"
},
"status": {
"experimental": false,
"standard_track": true,
"deprecated": false
}
}
},
"ric": {
"__compat": {
"description": "ric
unit",
"spec_url": "https://drafts.csswg.org/css-values/#ric",
"support": {
"chrome": {
"version_added": "111"
},
"chrome_android": "mirror",
"edge": "mirror",
"firefox": {
"version_added": false
},
"firefox_android": "mirror",
"ie": {
"version_added": false
},
"oculus": "mirror",
"opera": "mirror",
"opera_android": "mirror",
"safari": {
"version_added": "17.2"
},
"safari_ios": "mirror",
"samsunginternet_android": "mirror",
"webview_android": "mirror"
},
"status": {
"experimental": false,
"standard_track": true,
"deprecated": false
}
}
},
"rlh": {
"__compat": {
"description": "rlh
unit",
"spec_url": "https://drafts.csswg.org/css-values/#rlh",
"support": {
"chrome": {
"version_added": "111"
},
"chrome_android": "mirror",
"edge": "mirror",
"firefox": {
"version_added": "120"
},
"firefox_android": "mirror",
"ie": {
"version_added": false
},
"oculus": "mirror",
"opera": "mirror",
"opera_android": "mirror",
"safari": {
"version_added": "16.4"
},
"safari_ios": "mirror",
"samsunginternet_android": "mirror",
"webview_android": "mirror"
},
"status": {
"experimental": false,
"standard_track": true,
"deprecated": false
}
}
},
"vb": {
"__compat": {
"description": "vb
unit",
"tags": [
"web-features:viewport-unit-variants"
],
"support": {
"chrome": {
"version_added": "108"
},
"chrome_android": "mirror",
"edge": "mirror",
"firefox": {
"version_added": "101"
},
"firefox_android": "mirror",
"ie": {
"version_added": false
},
"oculus": "mirror",
"opera": "mirror",
"opera_android": "mirror",
"safari": {
"version_added": "15.4"
},
"safari_ios": "mirror",
"samsunginternet_android": "mirror",
"webview_android": "mirror"
},
"status": {
"experimental": false,
"standard_track": true,
"deprecated": false
}
}
},
"vh": {
"__compat": {
"description": "vh
unit",
"tags": [
"web-features:viewport-units"
],
"support": {
"chrome": {
"version_added": "20"
},
"chrome_android": "mirror",
"edge": {
"version_added": "12"
},
"firefox": {
"version_added": "19",
"notes": "Starting with version 21, viewport-percentage lengths are invalid in @page
."
},
"firefox_android": "mirror",
"ie": {
"version_added": "9"
},
"oculus": "mirror",
"opera": {
"version_added": "20"
},
"opera_android": "mirror",
"safari": {
"version_added": "6"
},
"safari_ios": "mirror",
"samsunginternet_android": "mirror",
"webview_android": "mirror"
},
"status": {
"experimental": false,
"standard_track": true,
"deprecated": false
}
}
},
"vi": {
"__compat": {
"description": "vi
unit",
"tags": [
"web-features:viewport-unit-variants"
],
"support": {
"chrome": {
"version_added": "108"
},
"chrome_android": "mirror",
"edge": "mirror",
"firefox": {
"version_added": "101"
},
"firefox_android": "mirror",
"ie": {
"version_added": false
},
"oculus": "mirror",
"opera": "mirror",
"opera_android": "mirror",
"safari": {
"version_added": "15.4"
},
"safari_ios": "mirror",
"samsunginternet_android": "mirror",
"webview_android": "mirror"
},
"status": {
"experimental": false,
"standard_track": true,
"deprecated": false
}
}
},
"viewport_percentage_units_dynamic": {
"__compat": {
"description": "dvb
, dvh
, dvi
, dvmax
, dvmin
, dvw
units",
"tags": [
"web-features:viewport-unit-variants"
],
"support": {
"chrome": {
"version_added": "108"
},
"chrome_android": "mirror",
"edge": "mirror",
"firefox": {
"version_added": "101"
},
"firefox_android": "mirror",
"ie": {
"version_added": false
},
"oculus": "mirror",
"opera": "mirror",
"opera_android": "mirror",
"safari": {
"version_added": "15.4"
},
"safari_ios": "mirror",
"samsunginternet_android": "mirror",
"webview_android": "mirror"
},
"status": {
"experimental": false,
"standard_track": true,
"deprecated": false
}
}
},
"viewport_percentage_units_large": {
"__compat": {
"description": "lvb
, lvh
, lvi
, lvmax
, lvmin
, lvw
units",
"tags": [
"web-features:viewport-unit-variants"
],
"support": {
"chrome": {
"version_added": "108"
},
"chrome_android": "mirror",
"edge": "mirror",
"firefox": {
"version_added": "101"
},
"firefox_android": "mirror",
"ie": {
"version_added": false
},
"oculus": "mirror",
"opera": "mirror",
"opera_android": "mirror",
"safari": {
"version_added": "15.4"
},
"safari_ios": "mirror",
"samsunginternet_android": "mirror",
"webview_android": "mirror"
},
"status": {
"experimental": false,
"standard_track": true,
"deprecated": false
}
}
},
"viewport_percentage_units_small": {
"__compat": {
"description": "svb
, svh
, svi
, svmax
, svmin
, svw
units",
"tags": [
"web-features:viewport-unit-variants"
],
"support": {
"chrome": {
"version_added": "108"
},
"chrome_android": "mirror",
"edge": "mirror",
"firefox": {
"version_added": "101"
},
"firefox_android": "mirror",
"ie": {
"version_added": false
},
"oculus": "mirror",
"opera": "mirror",
"opera_android": "mirror",
"safari": {
"version_added": "15.4"
},
"safari_ios": "mirror",
"samsunginternet_android": "mirror",
"webview_android": "mirror"
},
"status": {
"experimental": false,
"standard_track": true,
"deprecated": false
}
}
},
"vmax": {
"__compat": {
"description": "vmax
unit",
"tags": [
"web-features:viewport-units"
],
"support": {
"chrome": {
"version_added": "26"
},
"chrome_android": "mirror",
"edge": {
"version_added": "16"
},
"firefox": {
"version_added": "19",
"notes": "Starting with version 21, viewport-percentage lengths are invalid in @page
."
},
"firefox_android": "mirror",
"ie": {
"version_added": false
},
"oculus": "mirror",
"opera": "mirror",
"opera_android": "mirror",
"safari": {
"version_added": "7"
},
"safari_ios": "mirror",
"samsunginternet_android": "mirror",
"webview_android": {
"version_added": "1.5"
}
},
"status": {
"experimental": false,
"standard_track": true,
"deprecated": false
}
}
},
"vmin": {
"__compat": {
"description": "vmin
unit",
"tags": [
"web-features:viewport-units"
],
"support": {
"chrome": {
"version_added": "26"
},
"chrome_android": "mirror",
"edge": [
{
"version_added": "12"
},
{
"alternative_name": "vm",
"version_added": "12"
}
],
"firefox": {
"version_added": "19",
"notes": "Starting with version 21, viewport-percentage lengths are invalid in @page
."
},
"firefox_android": "mirror",
"ie": [
{
"version_added": "10"
},
{
"alternative_name": "vm",
"version_added": "9"
}
],
"oculus": "mirror",
"opera": "mirror",
"opera_android": "mirror",
"safari": {
"version_added": "7"
},
"safari_ios": "mirror",
"samsunginternet_android": "mirror",
"webview_android": "mirror"
},
"status": {
"experimental": false,
"standard_track": true,
"deprecated": false
}
}
},
"vw": {
"__compat": {
"description": "vw
unit",
"tags": [
"web-features:viewport-units"
],
"support": {
"chrome": {
"version_added": "20"
},
"chrome_android": "mirror",
"edge": {
"version_added": "12"
},
"firefox": {
"version_added": "19",
"notes": "Starting with version 21, viewport-percentage lengths are invalid in @page
."
},
"firefox_android": "mirror",
"ie": {
"version_added": "9"
},
"oculus": "mirror",
"opera": {
"version_added": "20"
},
"opera_android": "mirror",
"safari": {
"version_added": "6"
},
"safari_ios": "mirror",
"samsunginternet_android": "mirror",
"webview_android": "mirror"
},
"status": {
"experimental": false,
"standard_track": true,
"deprecated": false
}
}
}
}
}
}
}