diff --git a/github-dark.user.css b/github-dark.user.css
index 634eaedad..fb48b10ef 100644
--- a/github-dark.user.css
+++ b/github-dark.user.css
@@ -2943,9 +2943,10 @@
   .flash .octicon {
     color: #4f8cc9;
   }
-  /* gist.github.com: "#fffbdd" */
+  /* gist.github.com: "#fffbdd", "rgba(176,136,0,.2)" */
   .flash-warn {
     background-color: #261d08;
+    border-color: #bba257;
   }
   /* gist.github.com: "#b08800" */
   .flash-warn .octicon {
@@ -13815,9 +13816,10 @@
   .flash .octicon {
     color: #4f8cc9;
   }
-  /* github.com: "#fffbdd" */
+  /* github.com: "#fffbdd", "rgba(176,136,0,.2)" */
   .flash-warn {
     background-color: #261d08;
+    border-color: #bba257;
   }
   /* github.com: "#b08800" */
   .flash-warn .octicon {
@@ -22362,7 +22364,6 @@
   }
   .code-list-item-private .divider .blob-code,
   .code-list-item-private .divider .blob-num,
-  .AnnotationsPopover .bg-yellow-light.flash-warn,
   .js-notification-search-autocomplete-results .bg-yellow-light {
     background-color: #261d08 !important;
   }
diff --git a/src/gen/mappings.js b/src/gen/mappings.js
index d428ee0bb..9fbfb84bd 100644
--- a/src/gen/mappings.js
+++ b/src/gen/mappings.js
@@ -93,6 +93,7 @@ module.exports.mappings = {
 
   // yellow / brown
   "$color: rgba(47,38,6,.5)": "#cb4",
+  "$color: rgba(176,136,0,.2)": "#bba257", // .flash-warn
   "$color: rgba(115,92,15,.5)": "rgba(204,187,68,.5)",
   "$color: rgba(255,223,93,.2)": "rgba(132,70,0,.2)",
   "$color: #613a00": "#bba257",
diff --git a/src/main.css b/src/main.css
index 6cdeb9bf6..4eae0cf06 100644
--- a/src/main.css
+++ b/src/main.css
@@ -1807,7 +1807,6 @@
   }
   .code-list-item-private .divider .blob-code,
   .code-list-item-private .divider .blob-num,
-  .AnnotationsPopover .bg-yellow-light.flash-warn,
   .js-notification-search-autocomplete-results .bg-yellow-light {
     background-color: #261d08 !important;
   }