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index 21f7f7c14cec9a8f592dcb0c4900a66365615ea7..99da8c21681b54ace8b7ecdef76273c3b2e2ee26 100644
--- a/01-one.html
+++ b/01-one.html
@@ -5,10 +5,12 @@
     <meta name="generator" content="pandoc">
     <title>Software Carpentry: Lesson Title</title>
     <link rel="shortcut icon" type="image/x-icon" href="/favicon.ico" />
-    <link rel="stylesheet" href="css/bootstrap/bootstrap.css" />
     <meta name="viewport" content="width=device-width, initial-scale=1.0" />
-    <link rel="stylesheet" href="css/bootstrap/bootstrap-responsive.css" />
+    <link rel="stylesheet" type="text/css" href="css/bootstrap/bootstrap.css" />
+    <link rel="stylesheet" type="text/css" href="css/bootstrap/bootstrap-responsive.css" />
     <link rel="stylesheet" type="text/css" href="css/swc.css" />
+    <link rel="stylesheet" type="text/css" href="css/swc-workshop-and-lesson.css" />
+    <link rel="stylesheet" type="text/css" href="css/lesson.css" />
     <link rel="alternate" type="application/rss+xml" title="Software Carpentry Blog" href="http://software-carpentry.org/feed.xml"/>
     <meta charset="UTF-8" />
     <!-- HTML5 shim, for IE6-8 support of HTML5 elements -->
@@ -16,8 +18,8 @@
       <script src="http://html5shim.googlecode.com/svn/trunk/html5.js"></script>
     <![endif]-->
   </head>
-  <body>
-    <div class="container">
+  <body class="lesson">
+    <div class="container container-full-width card">
       <div class="banner">
         <a href="http://software-carpentry.org" title="Software Carpentry">
           <img alt="Software Carpentry banner" src="img/software-carpentry-banner.png" />
diff --git a/02-two.html b/02-two.html
index 83de0ca4c4ead157422346899fdbe0fd3429be4c..1e34f777ae002c0f874a8608fa614feef11e2e4c 100644
--- a/02-two.html
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     <title>Software Carpentry: Lesson Title</title>
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     <meta name="viewport" content="width=device-width, initial-scale=1.0" />
-    <link rel="stylesheet" href="css/bootstrap/bootstrap-responsive.css" />
+    <link rel="stylesheet" type="text/css" href="css/bootstrap/bootstrap.css" />
+    <link rel="stylesheet" type="text/css" href="css/bootstrap/bootstrap-responsive.css" />
     <link rel="stylesheet" type="text/css" href="css/swc.css" />
+    <link rel="stylesheet" type="text/css" href="css/swc-workshop-and-lesson.css" />
+    <link rel="stylesheet" type="text/css" href="css/lesson.css" />
     <link rel="alternate" type="application/rss+xml" title="Software Carpentry Blog" href="http://software-carpentry.org/feed.xml"/>
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@@ -16,8 +18,8 @@
       <script src="http://html5shim.googlecode.com/svn/trunk/html5.js"></script>
     <![endif]-->
   </head>
-  <body>
-    <div class="container">
+  <body class="lesson">
+    <div class="container container-full-width card">
       <div class="banner">
         <a href="http://software-carpentry.org" title="Software Carpentry">
           <img alt="Software Carpentry banner" src="img/software-carpentry-banner.png" />
diff --git a/LICENSE.html b/LICENSE.html
index a789bd630986453155abfdbdf97fafb93438e466..65e250711798849aa670eac23a2b5f3a797e2e4a 100644
--- a/LICENSE.html
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     <meta name="generator" content="pandoc">
     <title>Software Carpentry: Licenses</title>
     <link rel="shortcut icon" type="image/x-icon" href="/favicon.ico" />
-    <link rel="stylesheet" href="css/bootstrap/bootstrap.css" />
     <meta name="viewport" content="width=device-width, initial-scale=1.0" />
-    <link rel="stylesheet" href="css/bootstrap/bootstrap-responsive.css" />
+    <link rel="stylesheet" type="text/css" href="css/bootstrap/bootstrap.css" />
+    <link rel="stylesheet" type="text/css" href="css/bootstrap/bootstrap-responsive.css" />
     <link rel="stylesheet" type="text/css" href="css/swc.css" />
+    <link rel="stylesheet" type="text/css" href="css/swc-workshop-and-lesson.css" />
+    <link rel="stylesheet" type="text/css" href="css/lesson.css" />
     <link rel="alternate" type="application/rss+xml" title="Software Carpentry Blog" href="http://software-carpentry.org/feed.xml"/>
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@@ -16,8 +18,8 @@
       <script src="http://html5shim.googlecode.com/svn/trunk/html5.js"></script>
     <![endif]-->
   </head>
-  <body>
-    <div class="container">
+  <body class="lesson">
+    <div class="container container-full-width card">
       <div class="banner">
         <a href="http://software-carpentry.org" title="Software Carpentry">
           <img alt="Software Carpentry banner" src="img/software-carpentry-banner.png" />
diff --git a/discussion.html b/discussion.html
index 772ad8fec8eb96f0f9a47f39954e4ea90ecfb3c8..9833fc3930493434d176a26bbe9448ac22f91141 100644
--- a/discussion.html
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     <title>Software Carpentry: Lesson Title</title>
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     <meta name="viewport" content="width=device-width, initial-scale=1.0" />
-    <link rel="stylesheet" href="css/bootstrap/bootstrap-responsive.css" />
+    <link rel="stylesheet" type="text/css" href="css/bootstrap/bootstrap.css" />
+    <link rel="stylesheet" type="text/css" href="css/bootstrap/bootstrap-responsive.css" />
     <link rel="stylesheet" type="text/css" href="css/swc.css" />
+    <link rel="stylesheet" type="text/css" href="css/swc-workshop-and-lesson.css" />
+    <link rel="stylesheet" type="text/css" href="css/lesson.css" />
     <link rel="alternate" type="application/rss+xml" title="Software Carpentry Blog" href="http://software-carpentry.org/feed.xml"/>
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@@ -16,8 +18,8 @@
       <script src="http://html5shim.googlecode.com/svn/trunk/html5.js"></script>
     <![endif]-->
   </head>
-  <body>
-    <div class="container">
+  <body class="lesson">
+    <div class="container container-full-width card">
       <div class="banner">
         <a href="http://software-carpentry.org" title="Software Carpentry">
           <img alt="Software Carpentry banner" src="img/software-carpentry-banner.png" />
diff --git a/index.html b/index.html
index 25113988e1462e92e796f328654286b9ef7d0afb..6906bd457343788cb956ad6d6c1a8437ce76ad5f 100644
--- a/index.html
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     <title>Software Carpentry: Lesson Title</title>
     <link rel="shortcut icon" type="image/x-icon" href="/favicon.ico" />
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     <meta name="viewport" content="width=device-width, initial-scale=1.0" />
-    <link rel="stylesheet" href="css/bootstrap/bootstrap-responsive.css" />
+    <link rel="stylesheet" type="text/css" href="css/bootstrap/bootstrap.css" />
+    <link rel="stylesheet" type="text/css" href="css/bootstrap/bootstrap-responsive.css" />
     <link rel="stylesheet" type="text/css" href="css/swc.css" />
+    <link rel="stylesheet" type="text/css" href="css/swc-workshop-and-lesson.css" />
+    <link rel="stylesheet" type="text/css" href="css/lesson.css" />
     <link rel="alternate" type="application/rss+xml" title="Software Carpentry Blog" href="http://software-carpentry.org/feed.xml"/>
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@@ -16,8 +18,8 @@
       <script src="http://html5shim.googlecode.com/svn/trunk/html5.js"></script>
     <![endif]-->
   </head>
-  <body>
-    <div class="container">
+  <body class="lesson">
+    <div class="container container-full-width card">
       <div class="banner">
         <a href="http://software-carpentry.org" title="Software Carpentry">
           <img alt="Software Carpentry banner" src="img/software-carpentry-banner.png" />
diff --git a/instructors.html b/instructors.html
index f3f73ba2b188996e0900e823431589a8008c59d7..3acde8f566431612a841f353d937423a8f0a6c49 100644
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     <title>Software Carpentry: Lesson Title</title>
     <link rel="shortcut icon" type="image/x-icon" href="/favicon.ico" />
-    <link rel="stylesheet" href="css/bootstrap/bootstrap.css" />
     <meta name="viewport" content="width=device-width, initial-scale=1.0" />
-    <link rel="stylesheet" href="css/bootstrap/bootstrap-responsive.css" />
+    <link rel="stylesheet" type="text/css" href="css/bootstrap/bootstrap.css" />
+    <link rel="stylesheet" type="text/css" href="css/bootstrap/bootstrap-responsive.css" />
     <link rel="stylesheet" type="text/css" href="css/swc.css" />
+    <link rel="stylesheet" type="text/css" href="css/swc-workshop-and-lesson.css" />
+    <link rel="stylesheet" type="text/css" href="css/lesson.css" />
     <link rel="alternate" type="application/rss+xml" title="Software Carpentry Blog" href="http://software-carpentry.org/feed.xml"/>
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     <!-- HTML5 shim, for IE6-8 support of HTML5 elements -->
@@ -16,8 +18,8 @@
       <script src="http://html5shim.googlecode.com/svn/trunk/html5.js"></script>
     <![endif]-->
   </head>
-  <body>
-    <div class="container">
+  <body class="lesson">
+    <div class="container container-full-width card">
       <div class="banner">
         <a href="http://software-carpentry.org" title="Software Carpentry">
           <img alt="Software Carpentry banner" src="img/software-carpentry-banner.png" />
diff --git a/reference.html b/reference.html
index 58ba3102e46b94864d05f64a46b598f54678975f..ace543ccc5576e1357cce83f13ce3efbefc0e438 100644
--- a/reference.html
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     <title>Software Carpentry: Lesson Title</title>
     <link rel="shortcut icon" type="image/x-icon" href="/favicon.ico" />
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     <meta name="viewport" content="width=device-width, initial-scale=1.0" />
-    <link rel="stylesheet" href="css/bootstrap/bootstrap-responsive.css" />
+    <link rel="stylesheet" type="text/css" href="css/bootstrap/bootstrap.css" />
+    <link rel="stylesheet" type="text/css" href="css/bootstrap/bootstrap-responsive.css" />
     <link rel="stylesheet" type="text/css" href="css/swc.css" />
+    <link rel="stylesheet" type="text/css" href="css/swc-workshop-and-lesson.css" />
+    <link rel="stylesheet" type="text/css" href="css/lesson.css" />
     <link rel="alternate" type="application/rss+xml" title="Software Carpentry Blog" href="http://software-carpentry.org/feed.xml"/>
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     <!-- HTML5 shim, for IE6-8 support of HTML5 elements -->
@@ -16,8 +18,8 @@
       <script src="http://html5shim.googlecode.com/svn/trunk/html5.js"></script>
     <![endif]-->
   </head>
-  <body>
-    <div class="container">
+  <body class="lesson">
+    <div class="container container-full-width card">
       <div class="banner">
         <a href="http://software-carpentry.org" title="Software Carpentry">
           <img alt="Software Carpentry banner" src="img/software-carpentry-banner.png" />
