4 files changed, 100 insertions, 23 deletions
diff --git a/app/assets/stylesheets/framework/mixins.scss b/app/assets/stylesheets/framework/mixins.scss
index 1e51bf3d974..1caf02937d5 100644
--- a/app/assets/stylesheets/framework/mixins.scss
+++ b/app/assets/stylesheets/framework/mixins.scss
@@ -439,6 +439,12 @@
       .na {
         color: inherit;
       }
+
+      // Rouge `Comment` token (quoted text in email body)
+      .c {
+        color: $gl-grayish-blue;
+        font-style: italic;
+      }
     }
   }
 }
diff --git a/app/assets/stylesheets/notify.scss b/app/assets/stylesheets/notify.scss
index ca8c358d97f..2d501781119 100644
--- a/app/assets/stylesheets/notify.scss
+++ b/app/assets/stylesheets/notify.scss
@@ -1,24 +1,4 @@
-@import 'framework/mixins';
-@import 'framework/variables';
-
-img {
-  max-width: 100%;
-  height: auto;
-}
-
-p.details {
-  font-style: italic;
-  color: $gray-500;
-}
-
-.footer > p {
-  font-size: small;
-  color: $gray-500;
-}
-
-pre.commit-message {
-  white-space: pre-wrap;
-}
+@import 'notify_base';
 
 .gl-label-scoped {
   border: 2px solid currentColor;
@@ -52,6 +32,4 @@ pre.commit-message {
     border: 1px solid $gray-100;
     border-radius: $border-radius-small;
   }
-
-  @include email-code-block;
 }
diff --git a/app/assets/stylesheets/notify_base.scss b/app/assets/stylesheets/notify_base.scss
new file mode 100644
index 00000000000..8c6f9a27077
--- /dev/null
+++ b/app/assets/stylesheets/notify_base.scss
@@ -0,0 +1,25 @@
+@import 'framework/mixins';
+@import 'framework/variables';
+
+img {
+  max-width: 100%;
+  height: auto;
+}
+
+p.details {
+  font-style: italic;
+  color: $gray-500;
+}
+
+.footer > p {
+  font-size: small;
+  color: $gray-500;
+}
+
+pre.commit-message {
+  white-space: pre-wrap;
+}
+
+.content {
+  @include email-code-block;
+}
diff --git a/app/assets/stylesheets/notify_enhanced.scss b/app/assets/stylesheets/notify_enhanced.scss
new file mode 100644
index 00000000000..5df5a8592bf
--- /dev/null
+++ b/app/assets/stylesheets/notify_enhanced.scss
@@ -0,0 +1,68 @@
+// Import a subset of the GitLab UI framework:
+// keep parts that affect elements that can appear in emails;
+// omit Bootstrap Reboot since it adds unnecessary styles to every element.
+@import 'notify_base';
+@import 'bootstrap/scss/functions';
+@import 'bootstrap/scss/variables';
+@import 'bootstrap/scss/mixins';
+@import 'bootstrap/scss/code';
+@import '@gitlab/ui/src/scss/variables';
+@import '@gitlab/ui/src/scss/utility-mixins/index';
+@import '@gitlab/ui/src/scss/components';
+@import 'bootstrap_migration';
+@import 'framework/common';
+@import 'framework/gfm';
+@import 'framework/kbd';
+@import 'framework/tables';
+@import 'framework/typography';
+@import 'framework/emojis';
+
+body {
+  font-family: $regular-font;
+  font-size: inherit;
+}
+
+a {
+  text-decoration: none;
+}
+
+.content {
+  .md {
+    padding: 1rem 0;
+  }
+
+  hr {
+    border: 1px solid #e1e1e1;
+  }
+
+  blockquote {
+    border-top-width: 0;
+    border-bottom-width: 0;
+    border-right-width: 0;
+
+    &:dir(rtl) {
+      border-left-width: 0;
+      border-right-width: inherit;
+    }
+  }
+
+  table {
+    border-collapse: collapse;
+  }
+
+  .diff-table.code,
+  table.code {
+    width: auto;
+
+    td {
+      padding: inherit;
+
+      pre {
+        background-color: inherit;
+        margin: 0;
+        padding: 0;
+        border: inherit;
+      }
+    }
+  }
+}