--- a/devtools/client/webconsole/new-console-output/test/fixtures/stub-generators/browser.ini
+++ b/devtools/client/webconsole/new-console-output/test/fixtures/stub-generators/browser.ini
@@ -6,17 +6,16 @@ support-files =
   !/devtools/client/framework/test/shared-head.js
   ../stubs/*
   test-console-api.html
   test-css-message.html
   test-network-event.html
 
 [browser_webconsole_check_stubs_console_api.js]
 [browser_webconsole_check_stubs_css_message.js]
-skip-if = stylo # Bug 1386384 - Regenerate fixtures once Stylo is default
 [browser_webconsole_check_stubs_evaluation_result.js]
 [browser_webconsole_check_stubs_network_event.js]
 [browser_webconsole_check_stubs_page_error.js]
 [browser_webconsole_update_stubs_console_api.js]
 skip-if=true # This is only used to update stubs. It is not an actual test.
 [browser_webconsole_update_stubs_css_message.js]
 skip-if=true # This is only used to update stubs. It is not an actual test.
 [browser_webconsole_update_stubs_evaluation_result.js]

--- a/devtools/client/webconsole/new-console-output/test/fixtures/stubs/cssMessage.js
+++ b/devtools/client/webconsole/new-console-output/test/fixtures/stubs/cssMessage.js
@@ -18,22 +18,22 @@ stubPreparedMessages.set("Unknown property ‘such-unknown-property’.  Declaration dropped.", new ConsoleMessage({
   "allowRepeating": true,
   "source": "css",
   "timeStamp": 1479159920406,
   "type": "log",
   "helperType": null,
   "level": "warn",
   "messageText": "Unknown property ‘such-unknown-property’.  Declaration dropped.",
   "parameters": null,
-  "repeatId": "{\"frame\":{\"source\":\"http://example.com/browser/devtools/client/webconsole/new-console-output/test/fixtures/stub-generators/test-css-message.html\",\"line\":3,\"column\":23},\"groupId\":null,\"indent\":0,\"level\":\"warn\",\"messageText\":\"Unknown property ‘such-unknown-property’.  Declaration dropped.\",\"parameters\":null,\"source\":\"css\",\"type\":\"log\",\"userProvidedStyles\":null}",
+  "repeatId": "{\"frame\":{\"source\":\"http://example.com/browser/devtools/client/webconsole/new-console-output/test/fixtures/stub-generators/test-css-message.html\",\"line\":3,\"column\":2},\"groupId\":null,\"indent\":0,\"level\":\"warn\",\"messageText\":\"Unknown property ‘such-unknown-property’.  Declaration dropped.\",\"parameters\":null,\"source\":\"css\",\"type\":\"log\",\"userProvidedStyles\":null}",
   "stacktrace": null,
   "frame": {
     "source": "http://example.com/browser/devtools/client/webconsole/new-console-output/test/fixtures/stub-generators/test-css-message.html",
     "line": 3,
-    "column": 23
+    "column": 2
   },
   "groupId": null,
   "userProvidedStyles": null,
   "notes": null,
   "indent": 0
 }));
 
 stubPreparedMessages.set("Error in parsing value for ‘padding-top’.  Declaration dropped.", new ConsoleMessage({
@@ -41,39 +41,39 @@ stubPreparedMessages.set("Error in parsing value for ‘padding-top’.  Declaration dropped.", new ConsoleMessage({
   "allowRepeating": true,
   "source": "css",
   "timeStamp": 1479159920465,
   "type": "log",
   "helperType": null,
   "level": "warn",
   "messageText": "Error in parsing value for ‘padding-top’.  Declaration dropped.",
   "parameters": null,
-  "repeatId": "{\"frame\":{\"source\":\"http://example.com/browser/devtools/client/webconsole/new-console-output/test/fixtures/stub-generators/test-css-message.html\",\"line\":3,\"column\":15},\"groupId\":null,\"indent\":0,\"level\":\"warn\",\"messageText\":\"Error in parsing value for ‘padding-top’.  Declaration dropped.\",\"parameters\":null,\"source\":\"css\",\"type\":\"log\",\"userProvidedStyles\":null}",
+  "repeatId": "{\"frame\":{\"source\":\"http://example.com/browser/devtools/client/webconsole/new-console-output/test/fixtures/stub-generators/test-css-message.html\",\"line\":3,\"column\":2},\"groupId\":null,\"indent\":0,\"level\":\"warn\",\"messageText\":\"Error in parsing value for ‘padding-top’.  Declaration dropped.\",\"parameters\":null,\"source\":\"css\",\"type\":\"log\",\"userProvidedStyles\":null}",
   "stacktrace": null,
   "frame": {
     "source": "http://example.com/browser/devtools/client/webconsole/new-console-output/test/fixtures/stub-generators/test-css-message.html",
     "line": 3,
-    "column": 15
+    "column": 2
   },
   "groupId": null,
   "userProvidedStyles": null,
   "notes": null,
   "indent": 0
 }));
 
 stubPackets.set("Unknown property ‘such-unknown-property’.  Declaration dropped.", {
   "from": "server1.conn0.child1/consoleActor2",
   "type": "pageError",
   "pageError": {
     "errorMessage": "Unknown property ‘such-unknown-property’.  Declaration dropped.",
     "errorMessageName": "",
     "sourceName": "http://example.com/browser/devtools/client/webconsole/new-console-output/test/fixtures/stub-generators/test-css-message.html",
-    "lineText": "  such-unknown-property: wow;",
+    "lineText": "",
     "lineNumber": 3,
-    "columnNumber": 23,
+    "columnNumber": 2,
     "category": "CSS Parser",
     "timeStamp": 1479159920406,
     "warning": true,
     "error": false,
     "exception": false,
     "strict": false,
     "info": false,
     "private": false,
@@ -84,19 +84,19 @@ stubPackets.set("Unknown property ‘such-unknown-property’.  Declaration dropped.", {
 
 stubPackets.set("Error in parsing value for ‘padding-top’.  Declaration dropped.", {
   "from": "server1.conn0.child1/consoleActor2",
   "type": "pageError",
   "pageError": {
     "errorMessage": "Error in parsing value for ‘padding-top’.  Declaration dropped.",
     "errorMessageName": "",
     "sourceName": "http://example.com/browser/devtools/client/webconsole/new-console-output/test/fixtures/stub-generators/test-css-message.html",
-    "lineText": "  padding-top: invalid value;",
+    "lineText": "",
     "lineNumber": 3,
-    "columnNumber": 15,
+    "columnNumber": 2,
     "category": "CSS Parser",
     "timeStamp": 1479159920465,
     "warning": true,
     "error": false,
     "exception": false,
     "strict": false,
     "info": false,
     "private": false,