diff --git a/css/properties.json b/css/properties.json
index 64853214f..e58e4aed1 100644
--- a/css/properties.json
+++ b/css/properties.json
@@ -2384,6 +2384,21 @@
     "status": "standard",
     "mdn_url": "https://developer.mozilla.org/docs/Web/CSS/background-size"
   },
+  "baseline-shift": {
+    "syntax": "<length-percentage> | sub | super | baseline",
+    "media": "none",
+    "inherited": false,
+    "animationType": "byComputedValueType",
+    "percentages": "referTtoTheUsedValueOfLineHeight",
+    "groups": [
+      "CSS Inline"
+    ],
+    "initial": "0",
+    "appliesto": "inlineLevelBoxesAndSVGTextContentElements",
+    "computed": "theSpecifiedKeywordOrAComputedLengthPercentageValue",
+    "order": "perGrammar",
+    "status": "standard"
+  },
   "block-size": {
     "syntax": "<'width'>",
     "media": "visual",
diff --git a/css/properties.schema.json b/css/properties.schema.json
index 68c2170a2..7bd2e3abc 100644
--- a/css/properties.schema.json
+++ b/css/properties.schema.json
@@ -81,6 +81,7 @@
         "referToSVGViewportSize",
         "referToSVGViewportWidth",
         "referToSVGViewportDiagonal",
+        "referTtoTheUsedValueOfLineHeight",
         "referToTotalPathLength",
         "referToWidthAndHeightOfElement",
         "referToWidthOfAffectedGlyph",
@@ -177,6 +178,7 @@
         "theComputedLengthAndVisualBox",
         "theKeywordListStyleImageNoneOrComputedValue",
         "theSpecifiedKeyword",
+        "theSpecifiedKeywordOrAComputedLengthPercentageValue",
         "translucentValuesRGBAOtherwiseRGB",
         "twoAbsoluteLengthOrPercentages",
         "twoAbsoluteLengths"
@@ -253,6 +255,7 @@
         "inlineBoxesAndBlockContainers",
         "inFlowChildrenOfBoxElements",
         "inlineLevelAndTableCellElements",
+        "inlineLevelBoxesAndSVGTextContentElements",
         "inlineLevelBoxesFlexItemsGridItemsTableCellsAndSVGTextContentElements",
         "limitedSVGElements",
         "limitedSVGElementsCircle",
diff --git a/l10n/css.json b/l10n/css.json
index ae0861431..c7cfc6382 100644
--- a/l10n/css.json
+++ b/l10n/css.json
@@ -927,6 +927,9 @@
     "ja": "インラインレベルおよびテーブルセル要素",
     "ru": "строчным элементам и ячейкам таблиц"
   },
+  "inlineLevelBoxesAndSVGTextContentElements": {
+    "en-US": "inline-level boxes and SVG text content elements"
+  },
   "inlineLevelBoxesFlexItemsGridItemsTableCellsAndSVGTextContentElements": {
     "en-US": "inline-level boxes, flex items, grid items, table cells, and SVG text content elements"
   },
@@ -1506,6 +1509,9 @@
   "referToSVGViewportWidth": {
     "en-US": "refer to the width of the current SVG viewport"
   },
+  "referTtoTheUsedValueOfLineHeight": {
+    "en-US": "refer to the used value of {{cssxref(\"line-height\")}}"
+  },
   "referToTotalPathLength": {
     "de": "beziehen sich auf die Gesamtlänge des Pfads",
     "en-US": "refer to the total path length",
@@ -1811,6 +1817,9 @@
   "theSpecifiedKeyword": {
     "en-US": "the specified keyword"
   },
+  "theSpecifiedKeywordOrAComputedLengthPercentageValue": {
+    "en-US": "the specified keyword or a computed <length-percentage> value"
+  },
   "transform": {
     "de": "Transformation",
     "en-US": "a transform",