diff --git a/resources/celerity/map.php b/resources/celerity/map.php
--- a/resources/celerity/map.php
+++ b/resources/celerity/map.php
@@ -77,7 +77,7 @@
     'rsrc/css/application/maniphest/task-summary.css' => 'ab2fc691',
     'rsrc/css/application/objectselector/object-selector.css' => '029a133d',
     'rsrc/css/application/owners/owners-path-editor.css' => '2f00933b',
-    'rsrc/css/application/paste/paste.css' => 'aa1767d1',
+    'rsrc/css/application/paste/paste.css' => 'eb997ddd',
     'rsrc/css/application/people/people-profile.css' => '25970776',
     'rsrc/css/application/phame/phame.css' => 'db5682e3',
     'rsrc/css/application/pholio/pholio-edit.css' => '3ad9d1ee',
@@ -115,7 +115,7 @@
     'rsrc/css/layout/phabricator-filetree-view.css' => 'fccf9f82',
     'rsrc/css/layout/phabricator-hovercard-view.css' => '893f4783',
     'rsrc/css/layout/phabricator-side-menu-view.css' => '7e8c6341',
-    'rsrc/css/layout/phabricator-source-code-view.css' => '7d346aa4',
+    'rsrc/css/layout/phabricator-source-code-view.css' => '2ceee894',
     'rsrc/css/phui/calendar/phui-calendar-day.css' => 'de035c8a',
     'rsrc/css/phui/calendar/phui-calendar-list.css' => 'c1d0ca59',
     'rsrc/css/phui/calendar/phui-calendar-month.css' => 'a92e47d2',
@@ -707,7 +707,7 @@
     'multirow-row-manager' => 'b5d57730',
     'owners-path-editor' => 'aa1733d0',
     'owners-path-editor-css' => '2f00933b',
-    'paste-css' => 'aa1767d1',
+    'paste-css' => 'eb997ddd',
     'path-typeahead' => 'f7fc67ec',
     'people-profile-css' => '25970776',
     'phabricator-action-list-view-css' => '9ee9910a',
@@ -743,7 +743,7 @@
     'phabricator-shaped-request' => '7cbe244b',
     'phabricator-side-menu-view-css' => '7e8c6341',
     'phabricator-slowvote-css' => '266df6a1',
-    'phabricator-source-code-view-css' => '7d346aa4',
+    'phabricator-source-code-view-css' => '2ceee894',
     'phabricator-standard-page-view' => '926b7e2d',
     'phabricator-textareautils' => '5c93c52c',
     'phabricator-title' => '5c1c758c',
diff --git a/src/applications/paste/view/PasteEmbedView.php b/src/applications/paste/view/PasteEmbedView.php
--- a/src/applications/paste/view/PasteEmbedView.php
+++ b/src/applications/paste/view/PasteEmbedView.php
@@ -5,7 +5,7 @@
   private $paste;
   private $handle;
   private $highlights = array();
-  private $lines = 30;
+  private $lines = 24;
 
   public function setPaste(PhabricatorPaste $paste) {
     $this->paste = $paste;
diff --git a/webroot/rsrc/css/application/paste/paste.css b/webroot/rsrc/css/application/paste/paste.css
--- a/webroot/rsrc/css/application/paste/paste.css
+++ b/webroot/rsrc/css/application/paste/paste.css
@@ -3,18 +3,18 @@
  */
 
 .paste-embed {
-  padding: 5px;
-  background: #f7f7f7;
-  border: 1px solid #dbdbdb;
+  background: {$lightbluebackground};
+  border: 1px solid {$lightblueborder};
+  border-bottom: 1px solid {$blueborder};
 }
 
 .paste-embed-head {
-  border-bottom: 1px solid #dbdbdb;
-  margin:2px;
+  border-bottom: 1px solid {$thinblueborder};
+  padding: 6px 10px;
 }
 
 .paste-embed-head a {
-  color: #282828;
+  color: {$darkbluetext};
   font-weight: bold;
 }
 
diff --git a/webroot/rsrc/css/layout/phabricator-source-code-view.css b/webroot/rsrc/css/layout/phabricator-source-code-view.css
--- a/webroot/rsrc/css/layout/phabricator-source-code-view.css
+++ b/webroot/rsrc/css/layout/phabricator-source-code-view.css
@@ -30,10 +30,8 @@
 .phabricator-source-line {
   text-align: right;
   padding: 2px 6px 1px 12px;
-
-  border-right: 1px solid #dbdbdb;
-  font-weight: bold;
-  color: #555555;
+  border-right: 1px solid {$thinblueborder};
+  color: {$darkbluetext};
 
   /* When the user selects rows of source, don't visibly select the line
      numbers beside them. We use JS to strip the line numbers out when the user
@@ -45,8 +43,16 @@
   user-select: none;
 }
 
+th.phabricator-source-line a {
+  color: {$darkbluetext};
+}
+
+th.phabricator-source-line:hover {
+  background-color: {$greybackground};
+}
+
 .phabricator-source-highlight {
-  background: #ff0;
+  background: {$lightyellow};
 }
 
 .phabricator-source-code-summary {