Adds positioning properties and schemes

features/absolute-positioning.yml

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+name: Absolute positioning
+description: "The `position: absolute` CSS declaration removes an element from the normal flow and positions it relative to its containing block, which is often the root element, or closest positioned ancestor."
+spec: https://drafts.csswg.org/css-position-3/#abspos-insets
+group: positioning
+compat_features:
+  - css.properties.position.absolute

features/absolute-positioning.yml.dist

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+# Generated from: absolute-positioning.yml
+# Do not edit this file by hand. Edit the source file instead!
+
+status:
+  baseline: high
+  baseline_low_date: 2015-07-29
+  baseline_high_date: 2018-01-29
+  support:
+    chrome: "1"
+    chrome_android: "18"
+    edge: "12"
+    firefox: "1"
+    firefox_android: "4"
+    safari: "1"
+    safari_ios: "1"
+compat_features:
+  - css.properties.position.absolute

features/backdrop.yml

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+name: "::backdrop"
+description: The `::backdrop` CSS pseudo-element is a box underneath an element in the top layer, such as a `<dialog>`. It can be used to create obscuring effects distinguishing a modal element from the elements underneath.
+spec: https://drafts.csswg.org/css-position-4/#backdrop
+group: selectors
+compat_features:
+  - css.selectors.backdrop

features/backdrop.yml.dist

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+# Generated from: backdrop.yml
+# Do not edit this file by hand. Edit the source file instead!
+
+status:
+  baseline: high
+  baseline_low_date: 2022-03-14
+  baseline_high_date: 2024-09-14
+  support:
+    chrome: "37"
+    chrome_android: "37"
+    edge: "79"
+    firefox: "47"
+    firefox_android: "47"
+    safari: "15.4"
+    safari_ios: "15.4"
+compat_features:
+  - css.selectors.backdrop

features/fixed-positioning.yml

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+name: Fixed positioning
+description: "The `position: fixed` CSS declaration removes an element from the normal flow and positions it relative to the viewport or page."
+spec: https://drafts.csswg.org/css-position-3/#abspos-insets
+group: positioning
+compat_features:
+  - css.properties.position.fixed

features/fixed-positioning.yml.dist

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+# Generated from: fixed-positioning.yml
+# Do not edit this file by hand. Edit the source file instead!
+
+status:
+  baseline: high
+  baseline_low_date: 2015-07-29
+  baseline_high_date: 2018-01-29
+  support:
+    chrome: "1"
+    chrome_android: "18"
+    edge: "12"
+    firefox: "1"
+    firefox_android: "4"
+    safari: "1"
+    safari_ios: "1"
+compat_features:
+  - css.properties.position.fixed

features/physical-properties.yml

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+name: Physical properties
+description: CSS physical properties set the inset position of an element relative to the corresponding side of a container determined by the element's `position` property.
+spec: https://drafts.csswg.org/css-position-3/#insets
+group: css
+compat_features:
+  - css.properties.bottom
+  - css.properties.bottom.auto
+  - css.properties.left
+  - css.properties.left.auto
+  - css.properties.right
+  - css.properties.right.auto
+  - css.properties.top
+  - css.properties.top.auto

features/physical-properties.yml.dist

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+# Generated from: physical-properties.yml
+# Do not edit this file by hand. Edit the source file instead!
+
+status:
+  baseline: high
+  baseline_low_date: 2015-07-29
+  baseline_high_date: 2018-01-29
+  support:
+    chrome: "1"
+    chrome_android: "18"
+    edge: "12"
+    firefox: "1"
+    firefox_android: "4"
+    safari: "1"
+    safari_ios: "1"
+compat_features:
+  - css.properties.bottom
+  - css.properties.bottom.auto
+  - css.properties.left
+  - css.properties.left.auto
+  - css.properties.right
+  - css.properties.right.auto
+  - css.properties.top
+  - css.properties.top.auto

features/position.yml

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+name: Position
+description: The `position` CSS property sets the origin position of an element to an element, the element's scrollport, or the viewport.
+spec: https://drafts.csswg.org/css-position-3/#position-property
+group: positioning
+compat_features:
+  - css.properties.position

features/position.yml.dist

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+# Generated from: position.yml
+# Do not edit this file by hand. Edit the source file instead!
+
+status:
+  baseline: high
+  baseline_low_date: 2015-07-29
+  baseline_high_date: 2018-01-29
+  support:
+    chrome: "1"
+    chrome_android: "18"
+    edge: "12"
+    firefox: "1"
+    firefox_android: "4"
+    safari: "1"
+    safari_ios: "1"
+compat_features:
+  - css.properties.position

features/relative-positioning.yml

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+name: Relative positioning
+description: "The `position: relative` CSS declaration offsets the position of an element relative to its position in the normal flow."
+spec: https://drafts.csswg.org/css-position-3/#relpos-insets
+group: positioning
+compat_features:
+  - css.properties.position.relative

features/relative-positioning.yml.dist

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+# Generated from: relative-positioning.yml
+# Do not edit this file by hand. Edit the source file instead!
+
+status:
+  baseline: high
+  baseline_low_date: 2015-07-29
+  baseline_high_date: 2018-01-29
+  support:
+    chrome: "1"
+    chrome_android: "18"
+    edge: "12"
+    firefox: "1"
+    firefox_android: "4"
+    safari: "1"
+    safari_ios: "1"
+compat_features:
+  - css.properties.position.relative

features/static-positioning.yml

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+name: Static positioning
+description: "The `position: static` CSS declaration positions an element in the normal flow. A statically positioned element ignores physical and logical properties such as `top` or `inset-block-start`."
+spec: https://drafts.csswg.org/css-position-3/#position-property
+group: positioning
+compat_features:
+  - css.properties.position.static

features/static-positioning.yml.dist

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+# Generated from: static-positioning.yml
+# Do not edit this file by hand. Edit the source file instead!
+
+status:
+  baseline: high
+  baseline_low_date: 2015-07-29
+  baseline_high_date: 2018-01-29
+  support:
+    chrome: "1"
+    chrome_android: "18"
+    edge: "12"
+    firefox: "1"
+    firefox_android: "4"
+    safari: "1"
+    safari_ios: "1"
+compat_features:
+  - css.properties.position.static

features/sticky-positioning.yml

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 name: Sticky positioning
 description: "The `position: sticky` CSS declaration positions an element in the normal flow until it crosses a specified threshold, at which points it becomes fixed (stuck) at that position."
 spec: https://drafts.csswg.org/css-position-3/#stickypos-insets
-group: layout
+group: positioning
 caniuse: css-sticky

groups/positioning.yml

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+# CSS positioning property and schemes.
+name: Positioning
+parent: layout