--- a/mercurial/templates/static/style-monoblue.css	Sun Nov 19 13:18:54 2017 +0800
+++ b/mercurial/templates/static/style-monoblue.css	Sun Nov 19 14:02:50 2017 +0800
@@ -241,6 +241,10 @@
   background-color: #dddddd;
   border-color: #e4e4e4 #a3a3a3 #a3a3a3 #e4e4e4;
 }
+span.logtags span.instabilitytag {
+  background-color: #ffb1c0;
+  border-color: #ffbbc8 #ff4476 #ff4476 #ffbbc8;
+}
 span.logtags span.tagtag {
   background-color: #ffffaa;
   border-color: #ffffcc #ffee00 #ffee00 #ffffcc;