--- a/devtools/shared/css/generated/properties-db.js
+++ b/devtools/shared/css/generated/properties-db.js
@@ -2963,16 +2963,22 @@ exports.CSS_PROPERTIES = {
       "-webkit-text-fill-color",
       "-webkit-text-stroke-color",
       "-webkit-text-stroke-width",
       "ruby-align",
       "ruby-position",
       "text-combine-upright",
       "text-rendering",
       "-moz-control-character-visibility",
+      "cursor",
+      "pointer-events",
+      "-moz-user-input",
+      "-moz-user-modify",
+      "-moz-user-focus",
+      "caret-color",
       "list-style-position",
       "list-style-type",
       "list-style-image",
       "quotes",
       "-moz-image-region",
       "margin-top",
       "margin-right",
       "margin-bottom",
@@ -2984,22 +2990,16 @@ exports.CSS_PROPERTIES = {
       "-moz-outline-radius-topright",
       "-moz-outline-radius-bottomright",
       "-moz-outline-radius-bottomleft",
       "outline-offset",
       "padding-top",
       "padding-right",
       "padding-bottom",
       "padding-left",
-      "cursor",
-      "pointer-events",
-      "-moz-user-input",
-      "-moz-user-modify",
-      "-moz-user-focus",
-      "caret-color",
       "top",
       "right",
       "bottom",
       "left",
       "z-index",
       "flex-direction",
       "flex-wrap",
       "justify-content",
@@ -5048,16 +5048,35 @@ exports.CSS_PROPERTIES = {
     "supports": [],
     "values": [
       "auto",
       "inherit",
       "initial",
       "unset"
     ]
   },
+  "contain": {
+    "isInherited": false,
+    "subproperties": [
+      "contain"
+    ],
+    "supports": [],
+    "values": [
+      "content",
+      "inherit",
+      "initial",
+      "layout",
+      "none",
+      "paint",
+      "size",
+      "strict",
+      "style",
+      "unset"
+    ]
+  },
   "content": {
     "isInherited": false,
     "subproperties": [
       "content"
     ],
     "supports": [],
     "values": [
       "-moz-alt-content",