Improve Legalpad Preamble UI

Summary: Darken up the Preamble UI and provide more //dramatic// spacing. Fixes T9866

Test Plan: Review a preamble.

Reviewers: epriestley

Reviewed By: epriestley

Subscribers: Korvin

Maniphest Tasks: T9866

Differential Revision: https://secure.phabricator.com/D14579

resources/celerity/map.php

@@ -127,7 +127,7 @@ return array(
     'rsrc/css/phui/phui-button.css' => '16020a60',
     'rsrc/css/phui/phui-crumbs-view.css' => '414406b5',
     'rsrc/css/phui/phui-document-pro.css' => '5f75ed99',
-    'rsrc/css/phui/phui-document.css' => '765a9dac',
+    'rsrc/css/phui/phui-document.css' => 'a4a1c3b9',
     'rsrc/css/phui/phui-feed-story.css' => 'b7b26d23',
     'rsrc/css/phui/phui-fontkit.css' => '9cda225e',
     'rsrc/css/phui/phui-form-view.css' => 'c1d2ef29',
@@ -789,7 +789,7 @@ return array(
     'phui-calendar-list-css' => 'c1c7f338',
     'phui-calendar-month-css' => '476be7e0',
     'phui-crumbs-view-css' => '414406b5',
-    'phui-document-view-css' => '765a9dac',
+    'phui-document-view-css' => 'a4a1c3b9',
     'phui-document-view-pro-css' => '5f75ed99',
     'phui-feed-story-css' => 'b7b26d23',
     'phui-font-icon-base-css' => 'ecbbb4c2',