diff --git a/seed_data/challenges.json b/seed_data/challenges.json
index 3c547e47eba..253ccb7861e 100644
--- a/seed_data/challenges.json
+++ b/seed_data/challenges.json
@@ -368,7 +368,7 @@
     "steps": [
       "Let's learn more about objects.",
       "Go to <a href='http://www.codecademy.com/courses/spencer-sandbox/0/1' target='_blank'>http://www.codecademy.com/courses/spencer-sandbox/0/1</a> and complete the section.",
-      "Be sure to also complete this section: <a href='http://www.codecademy.com/courses/javascript-beginner-en-3bmfN/0/1' target='_blank'>http://www.codecademy.com/courses/javascript-beginner-en-3bmfN/0/1</a>."
+      "Be sure to also complete this section: <a href='http://www.codecademy.com/courses/building-an-address-book/0/1?curriculum_id=506324b3a7dffd00020bf661' target='_blank'>http://www.codecademy.com/courses/building-an-address-book/0/1?curriculum_id=506324b3a7dffd00020bf661</a>."
     ]
   },
   {
diff --git a/views/contact.jade b/views/contact.jade
index ac7afc54ed2..cc7ff6ceaaf 100644
--- a/views/contact.jade
+++ b/views/contact.jade
@@ -1,7 +1,7 @@
 extends layout
 
 block content
-  .jumbotron.negative-15
+  .jumbotron
       h1.animated.lightSpeedIn.text-center.hug-top We'll code software solutions for your nonprofit, for free!
       .animated.fadeIn.delay-2.landing-panel-body
           h3 Our students will help you build that donor tracking system, community message board, or whatever your organization needs,&nbsp;
diff --git a/views/resources/chromebook.jade b/views/resources/chromebook.jade
index b418efdb478..620d4698cea 100644
--- a/views/resources/chromebook.jade
+++ b/views/resources/chromebook.jade
@@ -1,6 +1,6 @@
 extends ../layout
 block content
-    .jumbotron.negative-15.text-center
+    .jumbotron.text-center
         h1.hug-top Win a Chromebook
         h2 Thanks to everyone who participated in our Chromebook giveaway.
         script(src='//widget-prime.rafflecopter.com/launch.js')
diff --git a/views/resources/control-shortcuts.jade b/views/resources/control-shortcuts.jade
index e5fc753904c..25b43a1011f 100644
--- a/views/resources/control-shortcuts.jade
+++ b/views/resources/control-shortcuts.jade
@@ -1,6 +1,6 @@
 extends ../layout
 block content
-    .jumbotron.negative-15.text-center
+    .jumbotron.text-center
         h1.hug-top Global Control Shortcuts for Mac
         h2 These Global Control Shortcuts for Mac will save you hours by speeding up your typing
         br
diff --git a/views/resources/deploy-a-website.jade b/views/resources/deploy-a-website.jade
index 682220576d8..d9c281eb8a3 100644
--- a/views/resources/deploy-a-website.jade
+++ b/views/resources/deploy-a-website.jade
@@ -1,6 +1,6 @@
 extends ../layout
 block content
-    .jumbotron.negative-15.text-center
+    .jumbotron.text-center
         h1.hug-top Deploy a Dynamic Website in 7 Minutes
         h2 Here's a fast and easy way to deploy a dynamic website to the internet
         br
diff --git a/views/resources/done-with-first-100-hours.jade b/views/resources/done-with-first-100-hours.jade
index a283b1b7f7f..47252d5d886 100644
--- a/views/resources/done-with-first-100-hours.jade
+++ b/views/resources/done-with-first-100-hours.jade
@@ -1,6 +1,6 @@
 extends ../layout
 block content
-    .jumbotron.negative-15.text-center
+    .jumbotron.text-center
         h1.hug-top Congratulations on finishing the first 100 hours of Free Code Camp!
         h2 Now you're ready to continue your learning by building solutions for nonprofits!
         h3 Private message Quincy Larson in the Free Code Camp Chatroom and he'll help you get started on your first project.
\ No newline at end of file
diff --git a/views/resources/gmail-shortcuts.jade b/views/resources/gmail-shortcuts.jade
index 045f55c8fc4..637d1871083 100644
--- a/views/resources/gmail-shortcuts.jade
+++ b/views/resources/gmail-shortcuts.jade
@@ -1,6 +1,6 @@
 extends ../layout
 block content
-    .jumbotron.negative-15.text-center
+    .jumbotron.text-center
         h1.hug-top Gmail Shortcuts
         h2 These Gmail Shortcuts will save you hours and help you get to Zero Inbox
         br
diff --git a/views/resources/javascript-in-your-inbox.jade b/views/resources/javascript-in-your-inbox.jade
index 1cdf3192db8..4bc92a5025d 100644
--- a/views/resources/javascript-in-your-inbox.jade
+++ b/views/resources/javascript-in-your-inbox.jade
@@ -1,6 +1,6 @@
 extends ../layout
 block content
-    .jumbotron.negative-15.text-center
+    .jumbotron.text-center
         h1.hug-top Win a Chromebook
         h2 Sign up for Inbox.js - JavaScript challenges in your inbox - and enter to win a Chromebook!
         img.image-responsive(src="https://s3.amazonaws.com/freecodecamp/chromebook.jpg" alt="HP Chromebook 11")
diff --git a/views/resources/live-pair-programming.jade b/views/resources/live-pair-programming.jade
index 3a79881be0a..e3f2753a8b8 100644
--- a/views/resources/live-pair-programming.jade
+++ b/views/resources/live-pair-programming.jade
@@ -1,6 +1,6 @@
 extends ../layout
 block content
-    .jumbotron.negative-15.text-center
+    .jumbotron.text-center
         h1.hug-top Live Pair Programming
         h2 We live pair program every Tuesday from 6 p.m. to 7 p.m. (Pacific Time).
         h2 Our next session is January 6th, 2015.
diff --git a/views/resources/stats.jade b/views/resources/stats.jade
index 4a679dd1640..72a63b61ae2 100644
--- a/views/resources/stats.jade
+++ b/views/resources/stats.jade
@@ -1,6 +1,6 @@
 extends ../layout
 block content
-    .jumbotron.negative-15.text-center
+    .jumbotron.text-center
         h1.hug-top Free Code Camp Stats
         .row
             .col-xs-6.text-right