diff --git a/resources/celerity/map.php b/resources/celerity/map.php
--- a/resources/celerity/map.php
+++ b/resources/celerity/map.php
@@ -9,7 +9,7 @@
   'names' => array(
     'conpherence.pkg.css' => '3c8a0668',
     'conpherence.pkg.js' => '020aebcf',
-    'core.pkg.css' => '3dc188c0',
+    'core.pkg.css' => 'af983028',
     'core.pkg.js' => 'ee320ca2',
     'differential.pkg.css' => '8d8360fb',
     'differential.pkg.js' => '67e02996',
@@ -112,7 +112,7 @@
     'rsrc/css/application/tokens/tokens.css' => 'ce5a50bd',
     'rsrc/css/application/uiexample/example.css' => 'b4795059',
     'rsrc/css/core/core.css' => '1b29ed61',
-    'rsrc/css/core/remarkup.css' => '9e627d41',
+    'rsrc/css/core/remarkup.css' => 'f06cc20e',
     'rsrc/css/core/syntax.css' => '4234f572',
     'rsrc/css/core/z-index.css' => '99c0f5eb',
     'rsrc/css/diviner/diviner-shared.css' => '4bd263b0',
@@ -151,7 +151,7 @@
     'rsrc/css/phui/phui-document-summary.css' => 'b068eed1',
     'rsrc/css/phui/phui-document.css' => '52b748a5',
     'rsrc/css/phui/phui-feed-story.css' => 'a0c05029',
-    'rsrc/css/phui/phui-fontkit.css' => '9b714a5e',
+    'rsrc/css/phui/phui-fontkit.css' => '1ec937e5',
     'rsrc/css/phui/phui-form-view.css' => '01b796c0',
     'rsrc/css/phui/phui-form.css' => '159e2d9c',
     'rsrc/css/phui/phui-head-thing.css' => 'd7f293df',
@@ -793,7 +793,7 @@
     'phabricator-object-selector-css' => 'ee77366f',
     'phabricator-phtize' => '2f1db1ed',
     'phabricator-prefab' => '5793d835',
-    'phabricator-remarkup-css' => '9e627d41',
+    'phabricator-remarkup-css' => 'f06cc20e',
     'phabricator-search-results-css' => '9ea70ace',
     'phabricator-shaped-request' => 'abf88db8',
     'phabricator-slowvote-css' => '1694baed',
@@ -838,7 +838,7 @@
     'phui-document-view-pro-css' => 'b9613a10',
     'phui-feed-story-css' => 'a0c05029',
     'phui-font-icon-base-css' => 'd7994e06',
-    'phui-fontkit-css' => '9b714a5e',
+    'phui-fontkit-css' => '1ec937e5',
     'phui-form-css' => '159e2d9c',
     'phui-form-view-css' => '01b796c0',
     'phui-head-thing-view-css' => 'd7f293df',
diff --git a/webroot/rsrc/css/core/remarkup.css b/webroot/rsrc/css/core/remarkup.css
--- a/webroot/rsrc/css/core/remarkup.css
+++ b/webroot/rsrc/css/core/remarkup.css
@@ -174,40 +174,29 @@
   list-style-type: none;
 }
 
-.phabricator-remarkup h1.remarkup-header {
-  font-size: 24px;
-  line-height: 1.625em;
-  margin: 24px 0 4px;
-}
-
 .phabricator-remarkup h2.remarkup-header {
-  font-size: 20px;
-  line-height: 1.5em;
-  margin: 20px 0 4px;
+  font-size: 28px;
+  margin: 1em 0 0.75em;
 }
 
 .phabricator-remarkup h3.remarkup-header {
-  font-size: 18px;
-  line-height: 1.375em;
-  margin: 20px 0 4px;
+  font-size: 24px;
+  margin: 1em 0 0.75em;
 }
 
 .phabricator-remarkup h4.remarkup-header {
-  font-size: 16px;
-  line-height: 1.25em;
-  margin: 12px 0 4px;
+  font-size: 22px;
+  margin: 1em 0 0.75em;
 }
 
 .phabricator-remarkup h5.remarkup-header {
-  font-size: 15px;
-  line-height: 1.125em;
-  margin: 8px 0 4px;
+  font-size: 18px;
+  margin: 1em 0 0.75em;
 }
 
 .phabricator-remarkup h6.remarkup-header {
-  font-size: 14px;
-  line-height: 1em;
-  margin: 4px 0;
+  font-size: 16px;
+  margin: 1em 0 0.75em;
 }
 
 .phabricator-remarkup blockquote {
diff --git a/webroot/rsrc/css/phui/phui-fontkit.css b/webroot/rsrc/css/phui/phui-fontkit.css
--- a/webroot/rsrc/css/phui/phui-fontkit.css
+++ b/webroot/rsrc/css/phui/phui-fontkit.css
@@ -6,15 +6,6 @@
   color: {$blacktext};
 }
 
-.phui-document-view .phabricator-remarkup .remarkup-header {
-  margin-bottom: 8px;
-}
-
-.phui-document-view .phabricator-remarkup h2.remarkup-header {
-  padding: 0 24px 8px 0;
-  margin: 32px 0 4px;
-}
-
 .phui-document-view .phabricator-remarkup .remarkup-header strong {
   color: #586BE9;
 }