diff --git a/mobile/tt-rss.php b/mobile/tt-rss.php
index 1fcea79fc..241dd3e58 100644
--- a/mobile/tt-rss.php
+++ b/mobile/tt-rss.php
@@ -99,8 +99,13 @@
 	<link rel="stylesheet" type="text/css" href="mobile.css">
 	<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
 	<script type="text/javascript" src="tt-rss.js"></script>
+
+	<?php $user_css_url = get_pref($link, 'USER_STYLESHEET_URL'); ?>
+	<?php if ($user_css_url) { ?>
+		<link rel="stylesheet" type="text/css" href="<?php echo $user_css_url ?>"/> 
+	<?php } ?>
 </head>
-<body>
+<body id="ttrssMobile">
 
 <div id="content">
 <?php
diff --git a/prefs.php b/prefs.php
index bf89d3a03..bc0f5212f 100644
--- a/prefs.php
+++ b/prefs.php
@@ -58,7 +58,7 @@
 	</script>
 </head>
 
-<body>
+<body id="ttrssPrefs">
 
 <div id="overlay">
 	<div id="overlay_inner">
diff --git a/tt-rss.php b/tt-rss.php
index 74e84bea5..f98d774b8 100644
--- a/tt-rss.php
+++ b/tt-rss.php
@@ -59,7 +59,7 @@
 	</script>
 </head>
 
-<body onresize="resize_headlines()">
+<body onresize="resize_headlines()" id="ttrssMain">
 
 <div id="overlay">
 	<div id="overlay_inner">
