diff --git a/resources/celerity/map.php b/resources/celerity/map.php
index bed21d4b4e..778c419638 100644
--- a/resources/celerity/map.php
+++ b/resources/celerity/map.php
@@ -67,7 +67,7 @@ return array(
     'rsrc/css/application/differential/table-of-contents.css' => 'ae4b7a55',
     'rsrc/css/application/diffusion/diffusion-icons.css' => '2941baf1',
     'rsrc/css/application/diffusion/diffusion-readme.css' => '2106ea08',
-    'rsrc/css/application/diffusion/diffusion-source.css' => '66fdf661',
+    'rsrc/css/application/diffusion/diffusion-source.css' => '075ba788',
     'rsrc/css/application/feed/feed.css' => 'ecd4ec57',
     'rsrc/css/application/files/global-drag-and-drop.css' => '697324ad',
     'rsrc/css/application/flag/flag.css' => '5337623f',
@@ -521,7 +521,7 @@ return array(
     'differential-table-of-contents-css' => 'ae4b7a55',
     'diffusion-icons-css' => '2941baf1',
     'diffusion-readme-css' => '2106ea08',
-    'diffusion-source-css' => '66fdf661',
+    'diffusion-source-css' => '075ba788',
     'diviner-shared-css' => '5a337049',
     'font-fontawesome' => 'd2fc4e8d',
     'font-lato' => '5ab1a46a',
diff --git a/webroot/rsrc/css/application/diffusion/diffusion-source.css b/webroot/rsrc/css/application/diffusion/diffusion-source.css
index abf68e3aeb..ca52d53a79 100644
--- a/webroot/rsrc/css/application/diffusion/diffusion-source.css
+++ b/webroot/rsrc/css/application/diffusion/diffusion-source.css
@@ -4,13 +4,12 @@
 
 .diffusion-source {
   width: 100%;
-  font-family: "Monaco", Consolas, monospace;
-  font-size: 10px;
+  font: 10px/13px "Menlo", "Consolas", "Monaco", monospace;
   background: #fff;
 }
 
 .diffusion-source tr.phabricator-source-highlight {
-  background: #ffff00;
+  background: {$sh-yellowbackground};
 }
 
 .diffusion-source th {
@@ -19,7 +18,6 @@
   background: {$lightgreybackground};
   color: {$bluetext};
   border-right: 1px solid {$thinblueborder};
-  font-size: {$smallestfontsize};
 }
 
 .diffusion-source td {