Align heading style with subheadings in markdown

https://gitlab.com/gitlab-org/gitlab/-/merge_requests/55284

app/assets/stylesheets/highlight/themes/dark.scss

@@ -38,7 +38,7 @@ $dark-cp: #969896;
 $dark-c1: #969896;
 $dark-cs: #969896;
 $dark-gd: #c66;
-$dark-gh: #c5c8c6;
+$dark-gh: #8abeb7;
 $dark-gi: #b5bd68;
 $dark-gp: #969896;
 $dark-gu: #8abeb7;

app/assets/stylesheets/highlight/themes/monokai.scss

@@ -87,6 +87,7 @@ $monokai-il: #ae81ff;
 $monokai-gu: #75715e;
 $monokai-gd: #f92672;
 $monokai-gi: #a6e22e;
+$monokai-gh: #75715e;
 
 .code.monokai {
   // Line numbers
@@ -281,4 +282,5 @@ $monokai-gi: #a6e22e;
   .gu { color: $monokai-gu; } /* Generic.Subheading & Diff Unified/Comment? */
   .gd { color: $monokai-gd; } /* Generic.Deleted & Diff Deleted */
   .gi { color: $monokai-gi; } /* Generic.Inserted & Diff Inserted */
+  .gh { color: $monokai-gh; } /* Generic.Heading */
 }

app/assets/stylesheets/highlight/white_base.scss

@@ -24,7 +24,7 @@ $white-gd-bg: #fdd;
 $white-gd-x: $black;
 $white-gd-x-bg: #faa;
 $white-gr: #a00;
-$white-gh: #999;
+$white-gh: #800080;
 $white-gi: $black;
 $white-gi-bg: #dfd;
 $white-gi-x: $black;
@@ -280,7 +280,9 @@ span.highlight_word {
 
 .ge { font-style: italic; }
 .gr { color: $white-gr; }
-.gh { color: $white-gh; }
+
+.gh { color: $white-gh;
+  font-weight: $gl-font-weight-bold; }
 
 .gi {
   color: $white-gi;

changelogs/unreleased/mvanremmerden-master-patch-70791.yml

+---
+title: Align heading style with subheadings in markdown
+merge_request: 55284
+author:
+type: other