diff --git a/src/applications/differential/mail/DifferentialInlineCommentMailView.php b/src/applications/differential/mail/DifferentialInlineCommentMailView.php
--- a/src/applications/differential/mail/DifferentialInlineCommentMailView.php
+++ b/src/applications/differential/mail/DifferentialInlineCommentMailView.php
@@ -181,23 +181,24 @@
     $content = $this->renderRemarkupContent($content, $is_html);
 
     if ($is_quote) {
-      if ($is_html) {
-        $style = array(
-          'padding: 4px 0;',
-        );
-
-        $content = phutil_tag(
-          'div',
-          array(
-            'style' => implode(' ', $style),
-          ),
-          $content);
-      }
       $header = $this->renderHeader($comment, $is_html, true);
     } else {
       $header = null;
     }
 
+    if ($is_html) {
+      $style = array(
+        'padding: 4px 8px;',
+      );
+
+      $content = phutil_tag(
+        'div',
+        array(
+          'style' => implode(' ', $style),
+        ),
+        $content);
+    }
+
     $parts = array(
       $header,
       "\n",
@@ -230,9 +231,14 @@
       $mode = PhutilRemarkupEngine::MODE_TEXT;
     }
 
+    $attributes = array(
+      'style' => 'padding: 0; margin: 0;',
+    );
+
     $engine = PhabricatorMarkupEngine::newMarkupEngine(array())
       ->setConfig('viewer', $viewer)
       ->setConfig('uri.base', $production_uri)
+      ->setConfig('default.p.attributes', $attributes)
       ->setMode($mode);
 
     try {
@@ -264,9 +270,8 @@
 
   private function quoteHTML($block) {
     $styles = array(
-      'padding: 4px 8px;',
-      'background: #F8F9FC;',
-      'border-left: 3px solid #a7b5bf;',
+      'padding: 0;',
+      'border: 1px solid #f1f2f4;',
       'margin: 4px 0 0;',
     );
 
@@ -402,7 +407,7 @@
       $header = phutil_tag(
         'span',
         array(
-          'style' => 'color: #000000',
+          'style' => 'color: #4b4d51; font-weight: bold;',
         ),
         $header);
     }
@@ -420,21 +425,25 @@
         $byline = phutil_tag(
           'span',
           array(
-            'style' => 'color: #000000',
+            'style' => 'color: #4b4d51; font-weight: bold;',
           ),
           $byline);
       }
 
       $header = pht('%s wrote in %s', $byline, $header);
-    } else {
-      $header = pht('In %s', $header);
     }
 
     if ($is_html) {
+      $style = array(
+        'color: #74777d;',
+        'background: #eff2f4;',
+        'padding: 4px 8px;',
+      );
+
       $header = phutil_tag(
         'div',
         array(
-          'style' => 'font-style: italic; color: #74777d',
+          'style' => implode(' ', $style),
         ),
         $header);
     }
diff --git a/src/applications/differential/render/DifferentialChangesetOneUpMailRenderer.php b/src/applications/differential/render/DifferentialChangesetOneUpMailRenderer.php
--- a/src/applications/differential/render/DifferentialChangesetOneUpMailRenderer.php
+++ b/src/applications/differential/render/DifferentialChangesetOneUpMailRenderer.php
@@ -73,7 +73,7 @@
             }
           }
 
-          $style = "padding: 0 2px; {$style}";
+          $style = "padding: 0 8px; margin: 0 4px; {$style}";
 
           $out[] = phutil_tag(
             'div',