diff --git a/css/properties.json b/css/properties.json
index f46f7e305..29f356db2 100644
--- a/css/properties.json
+++ b/css/properties.json
@@ -14,6 +14,291 @@
     "order": "perGrammar",
     "status": "experimental"
   },
+  "-ms-accelerator": {
+    "syntax": "false | true",
+    "media": "visual",
+    "inherited": false,
+    "animationType": "discrete",
+    "percentages": "no",
+    "groups": [
+      "Microsoft Extensions"
+    ],
+    "initial": "false",
+    "appliesto": "allElements",
+    "computed": "asSpecified",
+    "order": "uniqueOrder",
+    "status": "nonstandard"
+  },
+  "-ms-block-progression": {
+    "syntax": "tb | rl | bt | lr",
+    "media": "visual",
+    "inherited": false,
+    "animationType": "discrete",
+    "percentages": "no",
+    "groups": [
+      "Microsoft Extensions"
+    ],
+    "initial": "false",
+    "appliesto": "allElements",
+    "computed": "asSpecified",
+    "order": "uniqueOrder",
+    "status": "nonstandard"
+  },
+  "-ms-content-zoom-chaining": {
+    "syntax": "none | chained",
+    "media": "interactive",
+    "inherited": false,
+    "animationType": "discrete",
+    "percentages": "no",
+    "groups": [
+      "Microsoft Extensions"
+    ],
+    "initial": "false",
+    "appliesto": "nonReplacedBlockAndInlineBlockElements",
+    "computed": "asSpecified",
+    "order": "uniqueOrder",
+    "status": "nonstandard"
+  },
+  "-ms-content-zooming": {
+    "syntax": "none | zoom",
+    "media": "interactive",
+    "inherited": false,
+    "animationType": "discrete",
+    "percentages": "no",
+    "groups": [
+      "Microsoft Extensions"
+    ],
+    "initial": "zoomForTheTopLevelNoneForTheRest",
+    "appliesto": "nonReplacedBlockAndInlineBlockElements",
+    "computed": "asSpecified",
+    "order": "uniqueOrder",
+    "status": "nonstandard"
+  },
+  "-ms-content-zoom-limit": {
+    "syntax": "<'-ms-content-zoom-limit-min'> <'-ms-content-zoom-limit-max'>",
+    "media": "interactive",
+    "inherited": false,
+    "animationType": "discrete",
+    "percentages": [
+      "-ms-content-zoom-limit-max",
+      "-ms-content-zoom-limit-min"
+    ],
+    "groups": [
+      "Microsoft Extensions"
+    ],
+    "initial": [
+      "-ms-content-zoom-limit-max",
+      "-ms-content-zoom-limit-min"
+    ],
+    "appliesto": "nonReplacedBlockAndInlineBlockElements",
+    "computed": [
+      "-ms-content-zoom-limit-max",
+      "-ms-content-zoom-limit-min"
+    ],
+    "order": "uniqueOrder",
+    "status": "nonstandard"
+  },
+  "-ms-content-zoom-limit-max": {
+    "syntax": "<percentage>",
+    "media": "interactive",
+    "inherited": false,
+    "animationType": "discrete",
+    "percentages": "maxZoomFactor",
+    "groups": [
+      "Microsoft Extensions"
+    ],
+    "initial": "400%",
+    "appliesto": "nonReplacedBlockAndInlineBlockElements",
+    "computed": "asSpecified",
+    "order": "uniqueOrder",
+    "status": "nonstandard"
+  },
+  "-ms-content-zoom-limit-min": {
+    "syntax": "<percentage>",
+    "media": "interactive",
+    "inherited": false,
+    "animationType": "discrete",
+    "percentages": "minZoomFactor",
+    "groups": [
+      "Microsoft Extensions"
+    ],
+    "initial": "100%",
+    "appliesto": "nonReplacedBlockAndInlineBlockElements",
+    "computed": "asSpecified",
+    "order": "uniqueOrder",
+    "status": "nonstandard"
+  },
+  "-ms-content-zoom-snap": {
+    "syntax": "<'-ms-content-zoom-snap-type'> || <'-ms-content-zoom-snap-points'>",
+    "media": "interactive",
+    "inherited": false,
+    "animationType": "discrete",
+    "percentages": "no",
+    "groups": [
+      "Microsoft Extensions"
+    ],
+    "initial": [
+      "-ms-content-zoom-snap-type",
+      "-ms-content-zoom-snap-points"
+    ],
+    "appliesto": "nonReplacedBlockAndInlineBlockElements",
+    "computed": [
+      "-ms-content-zoom-snap-type",
+      "-ms-content-zoom-snap-points"
+    ],
+    "order": "uniqueOrder",
+    "status": "nonstandard"
+  },
+  "-ms-content-zoom-snap-points": {
+    "syntax": "snapInterval( <percentage>, <percentage> ) | snapList( <percentage># )",
+    "media": "interactive",
+    "inherited": false,
+    "animationType": "discrete",
+    "percentages": "no",
+    "groups": [
+      "Microsoft Extensions"
+    ],
+    "initial": "false",
+    "appliesto": "nonReplacedBlockAndInlineBlockElements",
+    "computed": "asSpecified",
+    "order": "uniqueOrder",
+    "status": "nonstandard"
+  },
+  "-ms-content-zoom-snap-type": {
+    "syntax": "none | proximity | mandatory",
+    "media": "interactive",
+    "inherited": false,
+    "animationType": "discrete",
+    "percentages": "no",
+    "groups": [
+      "Microsoft Extensions"
+    ],
+    "initial": "false",
+    "appliesto": "nonReplacedBlockAndInlineBlockElements",
+    "computed": "asSpecified",
+    "order": "uniqueOrder",
+    "status": "nonstandard"
+  },
+  "-ms-filter": {
+    "syntax": "<ms-filter-specification>",
+    "media": "visual",
+    "inherited": false,
+    "animationType": "discrete",
+    "percentages": "no",
+    "groups": [
+      "Microsoft Extensions"
+    ],
+    "initial": "false",
+    "appliesto": "allElements",
+    "computed": "asSpecified",
+    "order": "uniqueOrder",
+    "status": "nonstandard"
+  },
+  "-ms-flow-from": {
+    "syntax": "[ none | <custom-ident> ]#",
+    "media": "visual",
+    "inherited": false,
+    "animationType": "discrete",
+    "percentages": "no",
+    "groups": [
+      "Microsoft Extensions"
+    ],
+    "initial": "false",
+    "appliesto": "nonReplacedElements",
+    "computed": "asSpecified",
+    "order": "uniqueOrder",
+    "status": "nonstandard"
+  },
+  "-ms-flow-into": {
+    "syntax": "[ none | <custom-ident> ]#",
+    "media": "visual",
+    "inherited": false,
+    "animationType": "discrete",
+    "percentages": "no",
+    "groups": [
+      "Microsoft Extensions"
+    ],
+    "initial": "false",
+    "appliesto": "iframeElements",
+    "computed": "asSpecified",
+    "order": "uniqueOrder",
+    "status": "nonstandard"
+  },
+  "-ms-high-contrast-adjust": {
+    "syntax": "auto | none",
+    "media": "visual",
+    "inherited": true,
+    "animationType": "discrete",
+    "percentages": "no",
+    "groups": [
+      "Microsoft Extensions"
+    ],
+    "initial": "auto",
+    "appliesto": "allElements",
+    "computed": "asSpecified",
+    "order": "uniqueOrder",
+    "status": "nonstandard"
+  },
+  "-ms-hyphenate-limit-chars": {
+    "syntax": "auto | <integer>{1,3}",
+    "media": "visual",
+    "inherited": true,
+    "animationType": "discrete",
+    "percentages": "no",
+    "groups": [
+      "Microsoft Extensions"
+    ],
+    "initial": "auto",
+    "appliesto": "allElements",
+    "computed": "asSpecified",
+    "order": "uniqueOrder",
+    "status": "nonstandard"
+  },
+  "-ms-hyphenate-limit-lines": {
+    "syntax": "no-limit | <integer>",
+    "media": "visual",
+    "inherited": true,
+    "animationType": "discrete",
+    "percentages": "no",
+    "groups": [
+      "Microsoft Extensions"
+    ],
+    "initial": "no-limit",
+    "appliesto": "blockContainerElements",
+    "computed": "asSpecified",
+    "order": "uniqueOrder",
+    "status": "nonstandard"
+  },
+  "-ms-hyphenate-limit-zone": {
+    "syntax": "<percentage> | <length>",
+    "media": "visual",
+    "inherited": true,
+    "animationType": "discrete",
+    "percentages": "referToLineBox",
+    "groups": [
+      "Microsoft Extensions"
+    ],
+    "initial": "0",
+    "appliesto": "blockContainerElements",
+    "computed": "asSpecified",
+    "order": "uniqueOrder",
+    "status": "nonstandard"
+  },
+  "-ms-ime-align": {
+    "syntax": "auto | after",
+    "media": "visual",
+    "inherited": false,
+    "animationType": "discrete",
+    "percentages": "no",
+    "groups": [
+      "Microsoft Extensions"
+    ],
+    "initial": "auto",
+    "appliesto": "allElements",
+    "computed": "asSpecified",
+    "order": "uniqueOrder",
+    "status": "nonstandard"
+  },
   "-ms-overflow-style": {
     "syntax": "auto | none | scrollbar | -ms-autohiding-scrollbar",
     "media": "interactive",
@@ -29,6 +314,360 @@
     "order": "uniqueOrder",
     "status": "nonstandard"
   },
+  "-ms-scrollbar-3dlight-color": {
+    "syntax": "variant",
+    "media": "visual",
+    "inherited": true,
+    "animationType": "discrete",
+    "percentages": "no",
+    "groups": [
+      "Microsoft Extensions"
+    ],
+    "initial": "false",
+    "appliesto": "allElements",
+    "computed": "asSpecified",
+    "order": "uniqueOrder",
+    "status": "nonstandard"
+  },
+  "-ms-scrollbar-darkshadow-color": {
+    "syntax": "variant",
+    "media": "visual",
+    "inherited": true,
+    "animationType": "discrete",
+    "percentages": "no",
+    "groups": [
+      "Microsoft Extensions"
+    ],
+    "initial": "false",
+    "appliesto": "allElements",
+    "computed": "asSpecified",
+    "order": "uniqueOrder",
+    "status": "nonstandard"
+  },
+  "-ms-scrollbar-shadow-color": {
+    "syntax": "variant",
+    "media": "visual",
+    "inherited": true,
+    "animationType": "discrete",
+    "percentages": "no",
+    "groups": [
+      "Microsoft Extensions"
+    ],
+    "initial": "false",
+    "appliesto": "allElements",
+    "computed": "asSpecified",
+    "order": "uniqueOrder",
+    "status": "nonstandard"
+  },
+  "-ms-scroll-chaining": {
+    "syntax": "chained | none",
+    "media": "interactive",
+    "inherited": false,
+    "animationType": "discrete",
+    "percentages": "no",
+    "groups": [
+      "Microsoft Extensions"
+    ],
+    "initial": "chained",
+    "appliesto": "nonReplacedBlockAndInlineBlockElements",
+    "computed": "asSpecified",
+    "order": "uniqueOrder",
+    "status": "nonstandard"
+  },
+  "-ms-scroll-limit": {
+    "syntax": "<'-ms-scroll-limit-x-min'> <'-ms-scroll-limit-y-min'> <'-ms-scroll-limit-x-max'> <'-ms-scroll-limit-y-max'>",
+    "media": "interactive",
+    "inherited": false,
+    "animationType": "discrete",
+    "percentages": "no",
+    "groups": [
+      "Microsoft Extensions"
+    ],
+    "initial": [
+      "-ms-scroll-limit-x-min",
+      "-ms-scroll-limit-y-min",
+      "-ms-scroll-limit-x-max",
+      "-ms-scroll-limit-y-max"
+    ],
+    "appliesto": "nonReplacedBlockAndInlineBlockElements",
+    "computed": [
+      "-ms-scroll-limit-x-min",
+      "-ms-scroll-limit-y-min",
+      "-ms-scroll-limit-x-max",
+      "-ms-scroll-limit-y-max"
+    ],
+    "order": "uniqueOrder",
+    "status": "nonstandard"
+  },
+  "-ms-scroll-limit-x-max": {
+    "syntax": "auto | <length>",
+    "media": "interactive",
+    "inherited": false,
+    "animationType": "discrete",
+    "percentages": "no",
+    "groups": [
+      "Microsoft Extensions"
+    ],
+    "initial": "0",
+    "appliesto": "nonReplacedBlockAndInlineBlockElements",
+    "computed": "asSpecified",
+    "order": "uniqueOrder",
+    "status": "nonstandard"
+  },
+  "-ms-scroll-limit-x-min": {
+    "syntax": "<length>",
+    "media": "interactive",
+    "inherited": false,
+    "animationType": "discrete",
+    "percentages": "no",
+    "groups": [
+      "Microsoft Extensions"
+    ],
+    "initial": "0",
+    "appliesto": "nonReplacedBlockAndInlineBlockElements",
+    "computed": "asSpecified",
+    "order": "uniqueOrder",
+    "status": "nonstandard"
+  },
+  "-ms-scroll-limit-y-max": {
+    "syntax": "auto | <length>",
+    "media": "interactive",
+    "inherited": false,
+    "animationType": "discrete",
+    "percentages": "no",
+    "groups": [
+      "Microsoft Extensions"
+    ],
+    "initial": "0",
+    "appliesto": "nonReplacedBlockAndInlineBlockElements",
+    "computed": "asSpecified",
+    "order": "uniqueOrder",
+    "status": "nonstandard"
+  },
+  "-ms-scroll-limit-y-min": {
+    "syntax": "<length>",
+    "media": "interactive",
+    "inherited": false,
+    "animationType": "discrete",
+    "percentages": "no",
+    "groups": [
+      "Microsoft Extensions"
+    ],
+    "initial": "false",
+    "appliesto": "nonReplacedBlockAndInlineBlockElements",
+    "computed": "asSpecified",
+    "order": "uniqueOrder",
+    "status": "nonstandard"
+  },
+  "-ms-scroll-rails": {
+    "syntax": "none | railed",
+    "media": "interactive",
+    "inherited": false,
+    "animationType": "discrete",
+    "percentages": "no",
+    "groups": [
+      "Microsoft Extensions"
+    ],
+    "initial": "railed",
+    "appliesto": "nonReplacedBlockAndInlineBlockElements",
+    "computed": "asSpecified",
+    "order": "uniqueOrder",
+    "status": "nonstandard"
+  },
+  "-ms-scroll-snap-points-x": {
+    "syntax": "snapInterval( <length-percentage>, <length-percentage> ) | snapList( <length-percentage># )",
+    "media": "interactive",
+    "inherited": false,
+    "animationType": "discrete",
+    "percentages": "lengthsAsPercentages",
+    "groups": [
+      "Microsoft Extensions"
+    ],
+    "initial": "snapInterval(0px, 100%);",
+    "appliesto": "nonReplacedBlockAndInlineBlockElements",
+    "computed": "asSpecified",
+    "order": "uniqueOrder",
+    "status": "nonstandard"
+  },
+  "-ms-scroll-snap-points-y": {
+    "syntax": "snapInterval( <length-percentage>, <length-percentage> ) | snapList( <length-percentage># )",
+    "media": "interactive",
+    "inherited": false,
+    "animationType": "discrete",
+    "percentages": "lengthsAsPercentages",
+    "groups": [
+      "Microsoft Extensions"
+    ],
+    "initial": "snapInterval(0px, 100%);",
+    "appliesto": "nonReplacedBlockAndInlineBlockElements",
+    "computed": "asSpecified",
+    "order": "uniqueOrder",
+    "status": "nonstandard"
+  },
+  "-ms-scroll-snap-type": {
+    "syntax": "none | proximity | mandatory",
+    "media": "interactive",
+    "inherited": false,
+    "animationType": "discrete",
+    "percentages": "no",
+    "groups": [
+      "Microsoft Extensions"
+    ],
+    "initial": "false",
+    "appliesto": "nonReplacedBlockAndInlineBlockElements",
+    "computed": "asSpecified",
+    "order": "uniqueOrder",
+    "status": "nonstandard"
+  },
+  "-ms-scroll-snap-x": {
+    "syntax": "<'-ms-scroll-snap-type'> <'-ms-scroll-snap-points-x'>",
+    "media": "interactive",
+    "inherited": false,
+    "animationType": "discrete",
+    "percentages": [
+      "-ms-scroll-snap-points-x"
+    ],
+    "groups": [
+      "Microsoft Extensions"
+    ],
+    "initial": [
+      "-ms-scroll-snap-type",
+      "-ms-scroll-snap-points-x"
+    ],
+    "appliesto": "nonReplacedBlockAndInlineBlockElements",
+    "computed": [
+      "-ms-scroll-snap-points-x"
+    ],
+    "order": "uniqueOrder",
+    "status": "nonstandard"
+  },
+  "-ms-scroll-snap-y": {
+    "syntax": "<'-ms-scroll-snap-type'> <'-ms-scroll-snap-points-y'>",
+    "media": "interactive",
+    "inherited": false,
+    "animationType": "discrete",
+    "percentages": [
+      "-ms-scroll-snap-points-y"
+    ],
+    "groups": [
+      "Microsoft Extensions"
+    ],
+    "initial": [
+      "-ms-scroll-snap-type",
+      "-ms-scroll-snap-points-y"
+    ],
+    "appliesto": "nonReplacedBlockAndInlineBlockElements",
+    "computed": [
+      "-ms-scroll-snap-points-y"
+    ],
+    "order": "uniqueOrder",
+    "status": "nonstandard"
+  },
+  "-ms-scroll-translation": {
+    "syntax": "vertical-to-horizontal | none | inherit",
+    "media": "interactive",
+    "inherited": true,
+    "animationType": "discrete",
+    "percentages": "no",
+    "groups": [
+      "Microsoft Extensions"
+    ],
+    "initial": "inherit",
+    "appliesto": "allElements",
+    "computed": "asSpecified",
+    "order": "uniqueOrder",
+    "status": "nonstandard"
+  },
+  "-ms-text-autospace": {
+    "syntax": "none | ideograph-alpha | ideograph-numeric | ideograph-parenthesis | ideograph-space",
+    "media": "visual",
+    "inherited": false,
+    "animationType": "discrete",
+    "percentages": "no",
+    "groups": [
+      "Microsoft Extensions"
+    ],
+    "initial": "false",
+    "appliesto": "allElements",
+    "computed": "asSpecified",
+    "order": "uniqueOrder",
+    "status": "nonstandard"
+  },
+  "-ms-touch-select": {
+    "syntax": "grippers | none",
+    "media": "interactive",
+    "inherited": true,
+    "animationType": "discrete",
+    "percentages": "no",
+    "groups": [
+      "Microsoft Extensions"
+    ],
+    "initial": "grippers",
+    "appliesto": "allElements",
+    "computed": "asSpecified",
+    "order": "uniqueOrder",
+    "status": "nonstandard"
+  },
+  "-ms-user-select": {
+    "syntax": "none | element | text",
+    "media": "interactive",
+    "inherited": false,
+    "animationType": "discrete",
+    "percentages": "no",
+    "groups": [
+      "Microsoft Extensions"
+    ],
+    "initial": "text",
+    "appliesto": "nonReplacedElements",
+    "computed": "asSpecified",
+    "order": "uniqueOrder",
+    "status": "nonstandard"
+  },
+  "-ms-wrap-flow": {
+    "syntax": "auto | both | start | end | maximum | clear",
+    "media": "visual",
+    "inherited": false,
+    "animationType": "discrete",
+    "percentages": "no",
+    "groups": [
+      "Microsoft Extensions"
+    ],
+    "initial": "auto",
+    "appliesto": "blockLevelElements",
+    "computed": "asSpecified",
+    "order": "uniqueOrder",
+    "status": "nonstandard"
+  },
+  "-ms-wrap-margin": {
+    "syntax": "<length>",
+    "media": "visual",
+    "inherited": false,
+    "animationType": "discrete",
+    "percentages": "no",
+    "groups": [
+      "Microsoft Extensions"
+    ],
+    "initial": "0",
+    "appliesto": "exclusionElements",
+    "computed": "asSpecified",
+    "order": "uniqueOrder",
+    "status": "nonstandard"
+  },
+  "-ms-wrap-through": {
+    "syntax": "wrap | none",
+    "media": "visual",
+    "inherited": false,
+    "animationType": "discrete",
+    "percentages": "no",
+    "groups": [
+      "Microsoft Extensions"
+    ],
+    "initial": "wrap",
+    "appliesto": "blockLevelElements",
+    "computed": "asSpecified",
+    "order": "uniqueOrder",
+    "status": "nonstandard"
+  },
   "-moz-appearance": {
     "syntax": "none | button | button-arrow-down | button-arrow-next | button-arrow-previous | button-arrow-up | button-bevel | button-focus | caret | checkbox | checkbox-container | checkbox-label | checkmenuitem | dualbutton | groupbox | listbox | listitem | menuarrow | menubar | menucheckbox | menuimage | menuitem | menuitemtext | menulist | menulist-button | menulist-text | menulist-textfield | menupopup | menuradio | menuseparator | meterbar | meterchunk | progressbar | progressbar-vertical | progresschunk | progresschunk-vertical | radio | radio-container | radio-label | radiomenuitem | range | range-thumb | resizer | resizerpanel | scale-horizontal | scalethumbend | scalethumb-horizontal | scalethumbstart | scalethumbtick | scalethumb-vertical | scale-vertical | scrollbarbutton-down | scrollbarbutton-left | scrollbarbutton-right | scrollbarbutton-up | scrollbarthumb-horizontal | scrollbarthumb-vertical | scrollbartrack-horizontal | scrollbartrack-vertical | searchfield | separator | sheet | spinner | spinner-downbutton | spinner-textfield | spinner-upbutton | splitter | statusbar | statusbarpanel | tab | tabpanel | tabpanels | tab-scroll-arrow-back | tab-scroll-arrow-forward | textfield | textfield-multiline | toolbar | toolbarbutton | toolbarbutton-dropdown | toolbargripper | toolbox | tooltip | treeheader | treeheadercell | treeheadersortarrow | treeitem | treeline | treetwisty | treetwistyopen | treeview | -moz-mac-unified-toolbar | -moz-win-borderless-glass | -moz-win-browsertabbar-toolbox | -moz-win-communicationstext | -moz-win-communications-toolbox | -moz-win-exclude-glass | -moz-win-glass | -moz-win-mediatext | -moz-win-media-toolbox | -moz-window-button-box | -moz-window-button-box-maximized | -moz-window-button-close | -moz-window-button-maximize | -moz-window-button-minimize | -moz-window-button-restore | -moz-window-frame-bottom | -moz-window-frame-left | -moz-window-frame-right | -moz-window-titlebar | -moz-window-titlebar-maximized",
     "media": "visual",
diff --git a/css/properties.schema.json b/css/properties.schema.json
index f888aba3a..188313b19 100644
--- a/css/properties.schema.json
+++ b/css/properties.schema.json
@@ -42,8 +42,11 @@
         "blockSizeOfContainingBlock",
         "dependsOnLayoutModel",
         "inlineSizeOfContainingBlock",
+        "lengthsAsPercentages",
         "logicalHeightOfContainingBlock",
         "logicalWidthOfContainingBlock",
+        "maxZoomFactor",
+        "minZoomFactor",
         "no",
         "referToBorderBox",
         "referToContainingBlockHeight",
@@ -53,6 +56,7 @@
         "referToElementFontSize",
         "referToFlexContainersInnerMainSize",
         "referToHeightOfBackgroundPositioningAreaMinusBackgroundImageHeight",
+        "referToLineBox",
         "referToLineHeight",
         "referToParentElementsFontSize",
         "referToSizeOfBackgroundPositioningAreaMinusBackgroundImageSize",
@@ -182,6 +186,7 @@
         "elementsWithDisplayMarker",
         "elementsWithDisplayMozBoxMozInlineBox",
         "elementsWithOverflowNotVisibleAndReplacedElements",
+        "exclusionElements",
         "firstLetterPseudoElementsAndInlineLevelFirstChildren",
         "flexContainers",
         "flexItemsAndAbsolutelyPositionedFlexContainerChildren",
@@ -189,6 +194,7 @@
         "floats",
         "gridContainers",
         "gridItemsAndBoxesWithinGridContainer",
+        "iframeElements",
         "images",
         "inFlowBlockLevelElements",
         "inFlowChildrenOfBoxElements",
@@ -199,6 +205,7 @@
         "multilineFlexContainers",
         "nonReplacedBlockAndInlineBlockElements",
         "nonReplacedBlockElements",
+        "nonReplacedElements",
         "nonReplacedInlineElements",
         "positionedElements",
         "replacedElements",
diff --git a/css/selectors.json b/css/selectors.json
index ea78a3df9..87c3aa585 100644
--- a/css/selectors.json
+++ b/css/selectors.json
@@ -462,6 +462,42 @@
     ],
     "status": "nonstandard"
   },
+  "::-ms-browse": {
+    "syntax": "::-ms-browse",
+    "groups": [
+      "Pseudo-elements",
+      "Selectors",
+      "Microsoft Extensions"
+    ],
+    "status": "nonstandard"
+  },
+  "::-ms-check": {
+    "syntax": "::-ms-check",
+    "groups": [
+      "Pseudo-elements",
+      "Selectors",
+      "Microsoft Extensions"
+    ],
+    "status": "nonstandard"
+  },
+  "::-ms-clear": {
+    "syntax": "::-ms-clear",
+    "groups": [
+      "Pseudo-elements",
+      "Selectors",
+      "Microsoft Extensions"
+    ],
+    "status": "nonstandard"
+  },
+  "::-ms-expand": {
+    "syntax": "::-ms-clear",
+    "groups": [
+      "Pseudo-elements",
+      "Selectors",
+      "Microsoft Extensions"
+    ],
+    "status": "nonstandard"
+  },
   "::-ms-fill": {
     "syntax": "::-ms-fill",
     "groups": [
@@ -489,6 +525,15 @@
     ],
     "status": "nonstandard"
   },
+  "::-ms-reveal": {
+    "syntax": "::-ms-reveal",
+    "groups": [
+      "Pseudo-elements",
+      "Selectors",
+      "Microsoft Extensions"
+    ],
+    "status": "nonstandard"
+  },
   "::-ms-thumb": {
     "syntax": "::-ms-thumb",
     "groups": [
@@ -498,6 +543,33 @@
     ],
     "status": "nonstandard"
   },
+  "::-ms-ticks-after": {
+    "syntax": "::-ms-ticks-after",
+    "groups": [
+      "Pseudo-elements",
+      "Selectors",
+      "Microsoft Extensions"
+    ],
+    "status": "nonstandard"
+  },
+  "::-ms-ticks-before": {
+    "syntax": "::-ms-ticks-before",
+    "groups": [
+      "Pseudo-elements",
+      "Selectors",
+      "Microsoft Extensions"
+    ],
+    "status": "nonstandard"
+  },
+  "::-ms-tooltip": {
+    "syntax": "::-ms-tooltip",
+    "groups": [
+      "Pseudo-elements",
+      "Selectors",
+      "Microsoft Extensions"
+    ],
+    "status": "nonstandard"
+  },
   "::-ms-track": {
     "syntax": "::-ms-track",
     "groups": [
@@ -507,6 +579,15 @@
     ],
     "status": "nonstandard"
   },
+  "::-ms-value": {
+    "syntax": "::-ms-value",
+    "groups": [
+      "Pseudo-elements",
+      "Selectors",
+      "Microsoft Extensions"
+    ],
+    "status": "nonstandard"
+  },
   "::-webkit-progress-bar": {
     "syntax": "::-webkit-progress-bar",
     "groups": [
diff --git a/css/syntaxes.json b/css/syntaxes.json
index 8bf69a7af..73a66a747 100644
--- a/css/syntaxes.json
+++ b/css/syntaxes.json
@@ -377,6 +377,156 @@
   "minmax()": {
     "syntax": "minmax( [ <length> | <percentage> | <flex> | min-content | max-content | auto ] , [ <length> | <percentage> | <flex> | min-content | max-content | auto ] )"
   },
+  "ms-filter-specification": {
+    "syntax": "[ <ms-filter> | <ms-transition> | <ms-proceduralsurface> ]+"
+  },
+  "ms-filter": {
+    "syntax": "<ms-filter-alpha()> | <ms-filter-basicimage()> | <ms-filter-blendtrans()> | <ms-filter-blur()> | <ms-filter-chroma()> | <ms-filter-compositor()> | <ms-filter-dropshadow()> | <ms-filter-emboss()> | <ms-filter-engrave()> | <ms-filter-fliph()> | <ms-filter-flipv()> | <ms-filter-glow()> | <ms-filter-gray()> | <ms-filter-icmfilter()> | <ms-filter-invert()> | <ms-filter-light()> | <ms-filter-maskfilter()> | <ms-filter-matrix()> | <ms-filter-motionblur()> | <ms-filter-redirect()> | <ms-filter-revealtrans()> | <ms-filter-shadow()> | <ms-filter-wave()> | <ms-filter-xray()>"
+  },
+  "ms-transition": {
+    "syntax": "<ms-transition-barn()> | <ms-transition-blinds()> | <ms-transition-checkerboard()> | <ms-transition-fade()> | <ms-transition-gradientwipe()> | <ms-transition-inset()> | <ms-transition-iris()> | <ms-transition-pixelate()> | <ms-transition-radialwipe()> | <ms-transition-randombars()> | <ms-transition-randomdissolve()> | <ms-transition-slide()> | <ms-transition-spiral()> | <ms-transition-stretch()> | <ms-transition-strips()> | <ms-transition-wheel()> | <ms-transition-zigzag()>"
+  },
+  "ms-proceduralsurface": {
+    "syntax": "<ms-proceduralsurface-alphaimageloader()> | <ms-proceduralsurface-gradient()>"
+  },
+  "ms-filter-alpha()": {
+    "syntax": "progid:DXImageTransform.Microsoft.Alpha( <ms-filter-property-specification> )"
+  },
+  "ms-filter-basicimage()": {
+    "syntax": "progid:DXImageTransform.Microsoft.BasicImage( <ms-filter-property-specification> )"
+  },
+  "ms-filter-blendtrans()": {
+    "syntax": "progid:DXImageTransform.Microsoft.BlendTrans( <ms-filter-property-specification> )"
+  },
+  "ms-filter-blur()": {
+    "syntax": "progid:DXImageTransform.Microsoft.Blur( <ms-filter-property-specification> )"
+  },
+  "ms-filter-chroma()": {
+    "syntax": "progid:DXImageTransform.Microsoft.Chroma( <ms-filter-property-specification> )"
+  },
+  "ms-filter-compositor()": {
+    "syntax": "progid:DXImageTransform.Microsoft.Compositor( <ms-filter-property-specification> )"
+  },
+  "ms-filter-dropshadow()": {
+    "syntax": "progid:DXImageTransform.Microsoft.DropShadow( <ms-filter-property-specification> )"
+  },
+  "ms-filter-emboss()": {
+    "syntax": "progid:DXImageTransform.Microsoft.Emboss( <ms-filter-property-specification> )"
+  },
+  "ms-filter-engrave()": {
+    "syntax": "progid:DXImageTransform.Microsoft.Engrave( <ms-filter-property-specification> )"
+  },
+  "ms-filter-fliph()": {
+    "syntax": "progid:DXImageTransform.Microsoft.FlipH( <ms-filter-property-specification> )"
+  },
+  "ms-filter-flipv()": {
+    "syntax": "progid:DXImageTransform.Microsoft.FlipV( <ms-filter-property-specification> )"
+  },
+  "ms-filter-glow()": {
+    "syntax": "progid:DXImageTransform.Microsoft.Glow( <ms-filter-property-specification> )"
+  },
+  "ms-filter-gray()": {
+    "syntax": "progid:DXImageTransform.Microsoft.Gray( <ms-filter-property-specification> )"
+  },
+  "ms-filter-icmfilter()": {
+    "syntax": "progid:DXImageTransform.Microsoft.ICMFilter( <ms-filter-property-specification> )"
+  },
+  "ms-filter-invert()": {
+    "syntax": "progid:DXImageTransform.Microsoft.Invert( <ms-filter-property-specification> )"
+  },
+  "ms-filter-light()": {
+    "syntax": "progid:DXImageTransform.Microsoft.Light( <ms-filter-property-specification> )"
+  },
+  "ms-filter-maskfilter()": {
+    "syntax": "progid:DXImageTransform.Microsoft.MaskFilter( <ms-filter-property-specification> )"
+  },
+  "ms-filter-matrix()": {
+    "syntax": "progid:DXImageTransform.Microsoft.Matrix( <ms-filter-property-specification> )"
+  },
+  "ms-filter-motionblur()": {
+    "syntax": "progid:DXImageTransform.Microsoft.MotionBlur( <ms-filter-property-specification> )"
+  },
+  "ms-filter-redirect()": {
+    "syntax": "progid:DXImageTransform.Microsoft.Redirect( <ms-filter-property-specification> )"
+  },
+  "ms-filter-revealtrans()": {
+    "syntax": "progid:DXImageTransform.Microsoft.RevealTrans( <ms-filter-property-specification> )"
+  },
+  "ms-filter-shadow()": {
+    "syntax": "progid:DXImageTransform.Microsoft.Shadow( <ms-filter-property-specification> )"
+  },
+  "ms-filter-wave()": {
+    "syntax": "progid:DXImageTransform.Microsoft.Wave( <ms-filter-property-specification> )"
+  },
+  "ms-filter-xray()": {
+    "syntax": "progid:DXImageTransform.Microsoft.Xray( <ms-filter-property-specification> )"
+  },
+  "ms-transition-barn()": {
+    "syntax": "progid:DXImageTransform.Microsoft.Barn( <ms-filter-property-specification> )"
+  },
+  "ms-transition-blinds()": {
+    "syntax": "progid:DXImageTransform.Microsoft.Blinds( <ms-filter-property-specification> )"
+  },
+  "ms-transition-checkerboard()": {
+    "syntax": "progid:DXImageTransform.Microsoft.CheckerBoard( <ms-filter-property-specification> )"
+  },
+  "ms-transition-fade()": {
+    "syntax": "progid:DXImageTransform.Microsoft.Fade( <ms-filter-property-specification> )"
+  },
+  "ms-transition-gradientwipe()": {
+    "syntax": "progid:DXImageTransform.Microsoft.GradientWipe( <ms-filter-property-specification> )"
+  },
+  "ms-transition-inset()": {
+    "syntax": "progid:DXImageTransform.Microsoft.Inset( <ms-filter-property-specification> )"
+  },
+  "ms-transition-iris()": {
+    "syntax": "progid:DXImageTransform.Microsoft.Iris( <ms-filter-property-specification> )"
+  },
+  "ms-transition-pixelate()": {
+    "syntax": "progid:DXImageTransform.Microsoft.Pixelate( <ms-filter-property-specification> )"
+  },
+  "ms-transition-radialwipe()": {
+    "syntax": "progid:DXImageTransform.Microsoft.RadialWipe( <ms-filter-property-specification> )"
+  },
+  "ms-transition-randombars()": {
+    "syntax": "progid:DXImageTransform.Microsoft.RandomBars( <ms-filter-property-specification> )"
+  },
+  "ms-transition-randomdissolve()": {
+    "syntax": "progid:DXImageTransform.Microsoft.RandomDissolve( <ms-filter-property-specification> )"
+  },
+  "ms-transition-slide()": {
+    "syntax": "progid:DXImageTransform.Microsoft.Slide( <ms-filter-property-specification> )"
+  },
+  "ms-transition-spiral()": {
+    "syntax": "progid:DXImageTransform.Microsoft.Spiral( <ms-filter-property-specification> )"
+  },
+  "ms-transition-stretch()": {
+    "syntax": "progid:DXImageTransform.Microsoft.Stretch( <ms-filter-property-specification> )"
+  },
+  "ms-transition-strips()": {
+    "syntax": "progid:DXImageTransform.Microsoft.Strips( <ms-filter-property-specification> )"
+  },
+  "ms-transition-wheel()": {
+    "syntax": "progid:DXImageTransform.Microsoft.Wheel( <ms-filter-property-specification> )"
+  },
+  "ms-transition-zigzag()": {
+    "syntax": "progid:DXImageTransform.Microsoft.Zigzag( <ms-filter-property-specification> )"
+  },
+  "ms-proceduralsurface-alphaimageloader()": {
+    "syntax": "progid:DXImageTransform.Microsoft.AlphaImageLoader( <ms-filter-property-specification> )"
+  },
+  "ms-proceduralsurface-gradient()": {
+    "syntax": "progid:DXImageTransform.Microsoft.Gradient( <ms-filter-property-specification> )"
+  },
+  "ms-filter-property-specification": {
+    "syntax": "[ <ms-filter-property> = <ms-filter-property-value> ]#"
+  },
+  "ms-filter-property": {
+    "syntax": "add | bands | bias | center | color | colorspace | direction | duration | dx | dy | enabled | endcolor | endcolorstr  | filtertype | finishopacity | finishx | finishy | freq | function | gradientsize | gradienttype | grayscale | gridsizex | gridsizey | intent | invert | irisstyle | lightstrength | m11 | m12 | m21 | m22 | makeshadow | mask | maskcolor | maxsquare | mirror | motion  | offx | offy | opacity | orientation | overlap | percent | phase | pixelradius | positive | rotation  | shadowopacity  | sizingmethod | slidestyle | spokes  | squaresx  | squaresy | src | startcolor | startcolorstr | startx | starty | status  | strength | stretchstyle | style  | transition  | wipestyle  | xray"
+  },
+  "ms-filter-property-value": {
+    "syntax": "<integer> | <number> | <string>"
+  },
   "named-color": {
     "syntax": "transparent | aliceblue | antiquewhite | aqua | aquamarine | azure | beige | bisque | black | blanchedalmond | blue | blueviolet | brown | burlywood | cadetblue | chartreuse | chocolate | coral | cornflowerblue | cornsilk | crimson | cyan | darkblue | darkcyan | darkgoldenrod | darkgray | darkgreen | darkgrey | darkkhaki | darkmagenta | darkolivegreen | darkorange | darkorchid | darkred | darksalmon | darkseagreen | darkslateblue | darkslategray | darkslategrey | darkturquoise | darkviolet | deeppink | deepskyblue | dimgray | dimgrey | dodgerblue | firebrick | floralwhite | forestgreen | fuchsia | gainsboro | ghostwhite | gold | goldenrod | gray | green | greenyellow | grey | honeydew | hotpink | indianred | indigo | ivory | khaki | lavender | lavenderblush | lawngreen | lemonchiffon | lightblue | lightcoral | lightcyan | lightgoldenrodyellow | lightgray | lightgreen | lightgrey | lightpink | lightsalmon | lightseagreen | lightskyblue | lightslategray | lightslategrey | lightsteelblue | lightyellow | lime | limegreen | linen | magenta | maroon | mediumaquamarine | mediumblue | mediumorchid | mediumpurple | mediumseagreen | mediumslateblue | mediumspringgreen | mediumturquoise | mediumvioletred | midnightblue | mintcream | mistyrose | moccasin | navajowhite | navy | oldlace | olive | olivedrab | orange | orangered | orchid | palegoldenrod | palegreen | paleturquoise | palevioletred | papayawhip | peachpuff | peru | pink | plum | powderblue | purple | rebeccapurple | red | rosybrown | royalblue | saddlebrown | salmon | sandybrown | seagreen | seashell | sienna | silver | skyblue | slateblue | slategray | slategrey | snow | springgreen | steelblue | tan | teal | thistle | tomato | turquoise | violet | wheat | white | whitesmoke | yellow | yellowgreen"
   },
diff --git a/l10n/css.json b/l10n/css.json
index d4136038e..6d383defd 100644
--- a/l10n/css.json
+++ b/l10n/css.json
@@ -303,7 +303,7 @@
     "ru": "<code>inline-axis</code> (<code>horizontal</code> в <a href=\"/ru/docs/Mozilla/Tech/XUL\">XUL</a>)"
   },
   "noneButOverriddenInUserAgentCSS": {
-    "en-US": "<code>none</code> (but this value is overriden in the user agent CSS)",
+    "en-US": "<code>none</code> (but this value is overridden in the user agent CSS)",
     "de": "<code>none</code> (aber dieser Wert wird im User Agent CSS überschrieben)",
     "fr": "<code>none</code> (cette valeur est surchargée par le CSS de l'agent utilisateur)",
     "ru": "<code>none</code> (но это значение перезаписано в дефолтном CSS браузера)"
@@ -1457,5 +1457,29 @@
   },
   "referToReferenceBoxWhenSpecifiedOtherwiseBorderBox": {
     "en-US": "refer to reference box when specified, otherwise border-box"
+  },
+  "zoomForTheTopLevelNoneForTheRest": {
+    "en-US": "zoom for the top level element, none for all other elements"
+  },
+  "maxZoomFactor": {
+    "en-US": "The maximum zoom factor"
+  },
+  "minZoomFactor": {
+    "en-US": "The minimum zoom factor"
+  },
+  "nonReplacedElements": {
+    "en-US": "non-replaced elements"
+  },
+  "iframeElements": {
+    "en-US": "iframe elements"
+  },
+  "referToLineBox": {
+    "en-US": "Calculated with respect to the line box"
+  },
+  "lengthsAsPercentages": {
+    "en-US": "The lengths may be specified as percentages"
+  },
+  "exclusionElements": {
+    "en-US": "exclusion elements"
   }
 }