diff --git a/resources/celerity/map.php b/resources/celerity/map.php
--- a/resources/celerity/map.php
+++ b/resources/celerity/map.php
@@ -146,7 +146,7 @@
     'rsrc/css/phui/phui-comment-panel.css' => 'f50152ad',
     'rsrc/css/phui/phui-crumbs-view.css' => '10728aaa',
     'rsrc/css/phui/phui-curtain-view.css' => '2bdaf026',
-    'rsrc/css/phui/phui-document-pro.css' => '0e41dd91',
+    'rsrc/css/phui/phui-document-pro.css' => '1a08ef4b',
     'rsrc/css/phui/phui-document-summary.css' => '9ca48bdf',
     'rsrc/css/phui/phui-document.css' => 'c4ac41f9',
     'rsrc/css/phui/phui-feed-story.css' => '44a9c8e9',
@@ -814,7 +814,7 @@
     'phui-curtain-view-css' => '2bdaf026',
     'phui-document-summary-view-css' => '9ca48bdf',
     'phui-document-view-css' => 'c4ac41f9',
-    'phui-document-view-pro-css' => '0e41dd91',
+    'phui-document-view-pro-css' => '1a08ef4b',
     'phui-feed-story-css' => '44a9c8e9',
     'phui-font-icon-base-css' => '870a7360',
     'phui-fontkit-css' => '1320ed01',
diff --git a/src/view/phui/PHUIDocumentView.php b/src/view/phui/PHUIDocumentView.php
--- a/src/view/phui/PHUIDocumentView.php
+++ b/src/view/phui/PHUIDocumentView.php
@@ -171,10 +171,20 @@
         $table_of_contents,
         $this->header,
         $this->banner,
-        array(
-          $curtain,
-          $main_content,
-        ),
+        phutil_tag(
+          'div',
+          array(
+            'class' => 'phui-document-content-outer',
+          ),
+          phutil_tag(
+            'div',
+            array(
+              'class' => 'phui-document-content-inner',
+            ),
+            array(
+              $main_content,
+              $curtain,
+            ))),
         $foot_content,
       ));
 
diff --git a/webroot/rsrc/css/phui/phui-document-pro.css b/webroot/rsrc/css/phui/phui-document-pro.css
--- a/webroot/rsrc/css/phui/phui-document-pro.css
+++ b/webroot/rsrc/css/phui/phui-document-pro.css
@@ -4,7 +4,7 @@
 
 .phui-document-view.phui-document-view-pro {
   max-width: 800px;
-  padding: 16px 16px 64px 16px;
+  padding: 16px 16px 32px 16px;
   margin: 0 auto;
 }
 
@@ -21,15 +21,25 @@
 }
 
 .device-desktop .has-curtain .phui-document-content-view {
-  padding-right: 332px;
+  display: table-cell;
 }
 
 .printable .phui-document-content-view {
   padding-right: 0;
 }
 
+.device-desktop .phui-document-content-outer {
+  display: table;
+  width: 100%;
+  layout: fixed;
+}
+
+.device-desktop .phui-document-content-inner {
+  display: table-row;
+}
+
 .device-desktop .phui-document-curtain {
-  float: right;
+  display: table-cell;
   width: 300px;
 }