diff --git a/css/properties/block-size.json b/css/properties/block-size.json
index 3767f5166c2146..0dfaac54e9e7d7 100644
--- a/css/properties/block-size.json
+++ b/css/properties/block-size.json
@@ -6,16 +6,16 @@
           "mdn_url": "https://developer.mozilla.org/docs/Web/CSS/block-size",
           "support": {
             "chrome": {
-              "version_added": true
+              "version_added": "57"
             },
             "chrome_android": {
-              "version_added": true
+              "version_added": "57"
             },
             "edge": {
-              "version_added": null
+              "version_added": false
             },
             "edge_mobile": {
-              "version_added": null
+              "version_added": false
             },
             "firefox": [
               {
@@ -53,10 +53,10 @@
               "version_added": false
             },
             "opera": {
-              "version_added": true
+              "version_added": "44"
             },
             "opera_android": {
-              "version_added": true
+              "version_added": "44"
             },
             "safari": {
               "version_added": false
@@ -68,7 +68,7 @@
               "version_added": false
             },
             "webview_android": {
-              "version_added": true
+              "version_added": "57"
             }
           },
           "status": {
diff --git a/css/properties/inline-size.json b/css/properties/inline-size.json
index 9c0c95b23e6596..ac003ab3c23e6f 100644
--- a/css/properties/inline-size.json
+++ b/css/properties/inline-size.json
@@ -6,16 +6,16 @@
           "mdn_url": "https://developer.mozilla.org/docs/Web/CSS/inline-size",
           "support": {
             "chrome": {
-              "version_added": true
+              "version_added": "57"
             },
             "chrome_android": {
-              "version_added": true
+              "version_added": "57"
             },
             "edge": {
-              "version_added": null
+              "version_added": false
             },
             "edge_mobile": {
-              "version_added": null
+              "version_added": false
             },
             "firefox": [
               {
@@ -53,10 +53,10 @@
               "version_added": false
             },
             "opera": {
-              "version_added": true
+              "version_added": "44"
             },
             "opera_android": {
-              "version_added": true
+              "version_added": "44"
             },
             "safari": {
               "version_added": false
@@ -68,7 +68,7 @@
               "version_added": false
             },
             "webview_android": {
-              "version_added": true
+              "version_added": "57"
             }
           },
           "status": {
diff --git a/css/properties/max-block-size.json b/css/properties/max-block-size.json
index 7b28ccea9f5a72..e442e541f15ca1 100644
--- a/css/properties/max-block-size.json
+++ b/css/properties/max-block-size.json
@@ -6,10 +6,10 @@
           "mdn_url": "https://developer.mozilla.org/docs/Web/CSS/max-block-size",
           "support": {
             "chrome": {
-              "version_added": "51"
+              "version_added": "57"
             },
             "chrome_android": {
-              "version_added": "51"
+              "version_added": "57"
             },
             "edge": {
               "version_added": false
diff --git a/css/properties/max-inline-size.json b/css/properties/max-inline-size.json
index febe755d7fa8de..ea3b4e8118ec5a 100644
--- a/css/properties/max-inline-size.json
+++ b/css/properties/max-inline-size.json
@@ -6,12 +6,10 @@
           "mdn_url": "https://developer.mozilla.org/docs/Web/CSS/max-inline-size",
           "support": {
             "chrome": {
-              "prefix": "-webkit-",
-              "version_added": true
+              "version_added": "57"
             },
             "chrome_android": {
-              "prefix": "-webkit-",
-              "version_added": "18"
+              "version_added": "57"
             },
             "edge": {
               "version_added": false
@@ -55,11 +53,10 @@
               "version_added": false
             },
             "opera": {
-              "prefix": "-webkit-",
-              "version_added": true
+              "version_added": "44"
             },
             "opera_android": {
-              "version_added": null
+              "version_added": "44"
             },
             "safari": {
               "prefix": "-webkit-",
@@ -73,8 +70,7 @@
               "version_added": true
             },
             "webview_android": {
-              "prefix": "-webkit-",
-              "version_added": "4.4"
+              "version_added": "57"
             }
           },
           "status": {
diff --git a/css/properties/min-block-size.json b/css/properties/min-block-size.json
index d079974d9e2cbd..ef3f30056cb455 100644
--- a/css/properties/min-block-size.json
+++ b/css/properties/min-block-size.json
@@ -6,16 +6,16 @@
           "mdn_url": "https://developer.mozilla.org/docs/Web/CSS/min-block-size",
           "support": {
             "chrome": {
-              "version_added": false
+              "version_added": "57"
             },
             "chrome_android": {
-              "version_added": null
+              "version_added": "57"
             },
             "edge": {
-              "version_added": null
+              "version_added": false
             },
             "edge_mobile": {
-              "version_added": null
+              "version_added": false
             },
             "firefox": [
               {
@@ -53,10 +53,10 @@
               "version_added": false
             },
             "opera": {
-              "version_added": false
+              "version_added": "44"
             },
             "opera_android": {
-              "version_added": false
+              "version_added": "44"
             },
             "safari": {
               "version_added": false
@@ -68,7 +68,7 @@
               "version_added": false
             },
             "webview_android": {
-              "version_added": false
+              "version_added": "57"
             }
           },
           "status": {
diff --git a/css/properties/min-inline-size.json b/css/properties/min-inline-size.json
index e722006b88112f..fb4118c91e26a6 100644
--- a/css/properties/min-inline-size.json
+++ b/css/properties/min-inline-size.json
@@ -6,16 +6,16 @@
           "mdn_url": "https://developer.mozilla.org/docs/Web/CSS/min-inline-size",
           "support": {
             "chrome": {
-              "version_added": false
+              "version_added": "57"
             },
             "chrome_android": {
-              "version_added": null
+              "version_added": "57"
             },
             "edge": {
-              "version_added": null
+              "version_added": false
             },
             "edge_mobile": {
-              "version_added": null
+              "version_added": false
             },
             "firefox": [
               {
@@ -53,10 +53,10 @@
               "version_added": false
             },
             "opera": {
-              "version_added": false
+              "version_added": "44"
             },
             "opera_android": {
-              "version_added": false
+              "version_added": "44"
             },
             "safari": {
               "version_added": false
@@ -68,7 +68,7 @@
               "version_added": false
             },
             "webview_android": {
-              "version_added": false
+              "version_added": "57"
             }
           },
           "status": {