diff --git a/common/gtk-3.0/3.14/gtk-contained-dark.css b/common/gtk-3.0/3.14/gtk-contained-dark.css
index 64749da..1c18383 100644
--- a/common/gtk-3.0/3.14/gtk-contained-dark.css
+++ b/common/gtk-3.0/3.14/gtk-contained-dark.css
@@ -2881,7 +2881,7 @@ GbEditorWorkspace > GtkPaned > GtkBox > GtkBox.header.notebook {
   border-bottom: 1px solid #2d3036; }
 
 GbViewStack.focused GtkBox.header.notebook {
-  background-color: #444852; }
+  background-color: #383C45; }
   GbViewStack.focused GtkBox.header.notebook .button.dim-label, GbViewStack.focused GtkBox.header.notebook GtkLabel.button.separator, GbViewStack.focused GtkBox.header.notebook .header-bar .button.subtitle, .header-bar GbViewStack.focused GtkBox.header.notebook .button.subtitle {
     opacity: 1; }
 
diff --git a/common/gtk-3.0/3.14/gtk-contained-darker.css b/common/gtk-3.0/3.14/gtk-contained-darker.css
index c3f73a9..247754f 100644
--- a/common/gtk-3.0/3.14/gtk-contained-darker.css
+++ b/common/gtk-3.0/3.14/gtk-contained-darker.css
@@ -2882,7 +2882,7 @@ GbEditorWorkspace > GtkPaned > GtkBox > GtkBox.header.notebook {
   border-bottom: 1px solid #dbdfe3; }
 
 GbViewStack.focused GtkBox.header.notebook {
-  background-color: #F5F6F7; }
+  background-color: #ffffff; }
   GbViewStack.focused GtkBox.header.notebook .button.dim-label, GbViewStack.focused GtkBox.header.notebook GtkLabel.button.separator, GbViewStack.focused GtkBox.header.notebook .header-bar .button.subtitle, .header-bar GbViewStack.focused GtkBox.header.notebook .button.subtitle {
     opacity: 1; }
 
diff --git a/common/gtk-3.0/3.14/gtk-contained-solid-dark.css b/common/gtk-3.0/3.14/gtk-contained-solid-dark.css
index e98b5dc..040d568 100644
--- a/common/gtk-3.0/3.14/gtk-contained-solid-dark.css
+++ b/common/gtk-3.0/3.14/gtk-contained-solid-dark.css
@@ -2881,7 +2881,7 @@ GbEditorWorkspace > GtkPaned > GtkBox > GtkBox.header.notebook {
   border-bottom: 1px solid #2d3036; }
 
 GbViewStack.focused GtkBox.header.notebook {
-  background-color: #444852; }
+  background-color: #383C45; }
   GbViewStack.focused GtkBox.header.notebook .button.dim-label, GbViewStack.focused GtkBox.header.notebook GtkLabel.button.separator, GbViewStack.focused GtkBox.header.notebook .header-bar .button.subtitle, .header-bar GbViewStack.focused GtkBox.header.notebook .button.subtitle {
     opacity: 1; }
 
diff --git a/common/gtk-3.0/3.14/gtk-contained-solid-darker.css b/common/gtk-3.0/3.14/gtk-contained-solid-darker.css
index 31f8211..7d6698f 100644
--- a/common/gtk-3.0/3.14/gtk-contained-solid-darker.css
+++ b/common/gtk-3.0/3.14/gtk-contained-solid-darker.css
@@ -2882,7 +2882,7 @@ GbEditorWorkspace > GtkPaned > GtkBox > GtkBox.header.notebook {
   border-bottom: 1px solid #dbdfe3; }
 
 GbViewStack.focused GtkBox.header.notebook {
-  background-color: #F5F6F7; }
+  background-color: #ffffff; }
   GbViewStack.focused GtkBox.header.notebook .button.dim-label, GbViewStack.focused GtkBox.header.notebook GtkLabel.button.separator, GbViewStack.focused GtkBox.header.notebook .header-bar .button.subtitle, .header-bar GbViewStack.focused GtkBox.header.notebook .button.subtitle {
     opacity: 1; }
 
diff --git a/common/gtk-3.0/3.14/gtk-contained-solid.css b/common/gtk-3.0/3.14/gtk-contained-solid.css
index 7884c30..68ac9ac 100644
--- a/common/gtk-3.0/3.14/gtk-contained-solid.css
+++ b/common/gtk-3.0/3.14/gtk-contained-solid.css
@@ -2881,7 +2881,7 @@ GbEditorWorkspace > GtkPaned > GtkBox > GtkBox.header.notebook {
   border-bottom: 1px solid #dbdfe3; }
 
 GbViewStack.focused GtkBox.header.notebook {
-  background-color: #F5F6F7; }
+  background-color: #ffffff; }
   GbViewStack.focused GtkBox.header.notebook .button.dim-label, GbViewStack.focused GtkBox.header.notebook GtkLabel.button.separator, GbViewStack.focused GtkBox.header.notebook .header-bar .button.subtitle, .header-bar GbViewStack.focused GtkBox.header.notebook .button.subtitle {
     opacity: 1; }
 
diff --git a/common/gtk-3.0/3.14/gtk-contained.css b/common/gtk-3.0/3.14/gtk-contained.css
index b0e2e00..bf2a7b8 100644
--- a/common/gtk-3.0/3.14/gtk-contained.css
+++ b/common/gtk-3.0/3.14/gtk-contained.css
@@ -2881,7 +2881,7 @@ GbEditorWorkspace > GtkPaned > GtkBox > GtkBox.header.notebook {
   border-bottom: 1px solid #dbdfe3; }
 
 GbViewStack.focused GtkBox.header.notebook {
-  background-color: #F5F6F7; }
+  background-color: #ffffff; }
   GbViewStack.focused GtkBox.header.notebook .button.dim-label, GbViewStack.focused GtkBox.header.notebook GtkLabel.button.separator, GbViewStack.focused GtkBox.header.notebook .header-bar .button.subtitle, .header-bar GbViewStack.focused GtkBox.header.notebook .button.subtitle {
     opacity: 1; }
 
diff --git a/common/gtk-3.0/3.14/sass/_applications.scss b/common/gtk-3.0/3.14/sass/_applications.scss
index f4b2c8d..4889325 100644
--- a/common/gtk-3.0/3.14/sass/_applications.scss
+++ b/common/gtk-3.0/3.14/sass/_applications.scss
@@ -306,26 +306,26 @@ GtkEntry.gb-command-bar-entry.entry.flat:focus {
 }
 
 GbSourceStyleSchemeWidget GtkSourceView {
-    font-family: Monospace;
+  font-family: Monospace;
 }
 
 GtkScrolledWindow.gb-linked-scroller {
-    border-top: none;
+  border-top: none;
 }
 
 // Disable various animatinos that are enabled by default and really annoying
 // to the overall flow of Builder.
 GbSearchDisplayGroup GtkListBox .list-row, GbDocumentStack .button {
-    transition: none;
+  transition: none;
 }
 
 GbViewStack GtkBox.header.notebook,
 GbEditorWorkspace > GtkPaned > GtkBox > GtkBox.header.notebook {
-    border-bottom: 1px solid $borders_color;
+  border-bottom: 1px solid $borders_color;
 }
 
 GbViewStack.focused GtkBox.header.notebook {
-  background-color: $bg_color;
+  background-color: $base_color;
 
  .button.dim-label { opacity: 1; }
 }
diff --git a/common/gtk-3.0/3.16/gtk-contained-dark.css b/common/gtk-3.0/3.16/gtk-contained-dark.css
index 3ed50e0..3100d55 100644
--- a/common/gtk-3.0/3.16/gtk-contained-dark.css
+++ b/common/gtk-3.0/3.16/gtk-contained-dark.css
@@ -2847,7 +2847,7 @@ GbEditorWorkspace > GtkPaned > GtkBox > GtkBox.header.notebook {
   border-bottom: 1px solid #2d3036; }
 
 GbViewStack.focused GtkBox.header.notebook {
-  background-color: #444852; }
+  background-color: #383C45; }
   GbViewStack.focused GtkBox.header.notebook .button.dim-label, GbViewStack.focused GtkBox.header.notebook .button.label.separator, GbViewStack.focused GtkBox.header.notebook .header-bar .button.subtitle, .header-bar GbViewStack.focused GtkBox.header.notebook .button.subtitle {
     opacity: 1; }
 
diff --git a/common/gtk-3.0/3.16/gtk-contained-darker.css b/common/gtk-3.0/3.16/gtk-contained-darker.css
index f617941..217bcb0 100644
--- a/common/gtk-3.0/3.16/gtk-contained-darker.css
+++ b/common/gtk-3.0/3.16/gtk-contained-darker.css
@@ -2848,7 +2848,7 @@ GbEditorWorkspace > GtkPaned > GtkBox > GtkBox.header.notebook {
   border-bottom: 1px solid #dbdfe3; }
 
 GbViewStack.focused GtkBox.header.notebook {
-  background-color: #F5F6F7; }
+  background-color: #ffffff; }
   GbViewStack.focused GtkBox.header.notebook .button.dim-label, GbViewStack.focused GtkBox.header.notebook .button.label.separator, GbViewStack.focused GtkBox.header.notebook .header-bar .button.subtitle, .header-bar GbViewStack.focused GtkBox.header.notebook .button.subtitle {
     opacity: 1; }
 
diff --git a/common/gtk-3.0/3.16/gtk-contained-solid-dark.css b/common/gtk-3.0/3.16/gtk-contained-solid-dark.css
index 4325240..e6332f3 100644
--- a/common/gtk-3.0/3.16/gtk-contained-solid-dark.css
+++ b/common/gtk-3.0/3.16/gtk-contained-solid-dark.css
@@ -2847,7 +2847,7 @@ GbEditorWorkspace > GtkPaned > GtkBox > GtkBox.header.notebook {
   border-bottom: 1px solid #2d3036; }
 
 GbViewStack.focused GtkBox.header.notebook {
-  background-color: #444852; }
+  background-color: #383C45; }
   GbViewStack.focused GtkBox.header.notebook .button.dim-label, GbViewStack.focused GtkBox.header.notebook .button.label.separator, GbViewStack.focused GtkBox.header.notebook .header-bar .button.subtitle, .header-bar GbViewStack.focused GtkBox.header.notebook .button.subtitle {
     opacity: 1; }
 
diff --git a/common/gtk-3.0/3.16/gtk-contained-solid-darker.css b/common/gtk-3.0/3.16/gtk-contained-solid-darker.css
index b3b3330..c9b7d50 100644
--- a/common/gtk-3.0/3.16/gtk-contained-solid-darker.css
+++ b/common/gtk-3.0/3.16/gtk-contained-solid-darker.css
@@ -2848,7 +2848,7 @@ GbEditorWorkspace > GtkPaned > GtkBox > GtkBox.header.notebook {
   border-bottom: 1px solid #dbdfe3; }
 
 GbViewStack.focused GtkBox.header.notebook {
-  background-color: #F5F6F7; }
+  background-color: #ffffff; }
   GbViewStack.focused GtkBox.header.notebook .button.dim-label, GbViewStack.focused GtkBox.header.notebook .button.label.separator, GbViewStack.focused GtkBox.header.notebook .header-bar .button.subtitle, .header-bar GbViewStack.focused GtkBox.header.notebook .button.subtitle {
     opacity: 1; }
 
diff --git a/common/gtk-3.0/3.16/gtk-contained-solid.css b/common/gtk-3.0/3.16/gtk-contained-solid.css
index 921527e..5dbad57 100644
--- a/common/gtk-3.0/3.16/gtk-contained-solid.css
+++ b/common/gtk-3.0/3.16/gtk-contained-solid.css
@@ -2847,7 +2847,7 @@ GbEditorWorkspace > GtkPaned > GtkBox > GtkBox.header.notebook {
   border-bottom: 1px solid #dbdfe3; }
 
 GbViewStack.focused GtkBox.header.notebook {
-  background-color: #F5F6F7; }
+  background-color: #ffffff; }
   GbViewStack.focused GtkBox.header.notebook .button.dim-label, GbViewStack.focused GtkBox.header.notebook .button.label.separator, GbViewStack.focused GtkBox.header.notebook .header-bar .button.subtitle, .header-bar GbViewStack.focused GtkBox.header.notebook .button.subtitle {
     opacity: 1; }
 
diff --git a/common/gtk-3.0/3.16/gtk-contained.css b/common/gtk-3.0/3.16/gtk-contained.css
index 81111fa..517cb3a 100644
--- a/common/gtk-3.0/3.16/gtk-contained.css
+++ b/common/gtk-3.0/3.16/gtk-contained.css
@@ -2847,7 +2847,7 @@ GbEditorWorkspace > GtkPaned > GtkBox > GtkBox.header.notebook {
   border-bottom: 1px solid #dbdfe3; }
 
 GbViewStack.focused GtkBox.header.notebook {
-  background-color: #F5F6F7; }
+  background-color: #ffffff; }
   GbViewStack.focused GtkBox.header.notebook .button.dim-label, GbViewStack.focused GtkBox.header.notebook .button.label.separator, GbViewStack.focused GtkBox.header.notebook .header-bar .button.subtitle, .header-bar GbViewStack.focused GtkBox.header.notebook .button.subtitle {
     opacity: 1; }
 
diff --git a/common/gtk-3.0/3.16/sass/_applications.scss b/common/gtk-3.0/3.16/sass/_applications.scss
index 09680e1..6e1301c 100644
--- a/common/gtk-3.0/3.16/sass/_applications.scss
+++ b/common/gtk-3.0/3.16/sass/_applications.scss
@@ -354,26 +354,26 @@ GtkEntry.gb-command-bar-entry.entry.flat:focus {
 }
 
 GbSourceStyleSchemeWidget GtkSourceView {
-    font-family: Monospace;
+  font-family: Monospace;
 }
 
 GtkScrolledWindow.gb-linked-scroller {
-    border-top: none;
+  border-top: none;
 }
 
 // Disable various animatinos that are enabled by default and really annoying
 // to the overall flow of Builder.
 GbSearchDisplayGroup GtkListBox .list-row, GbDocumentStack .button {
-    transition: none;
+  transition: none;
 }
 
 GbViewStack GtkBox.header.notebook,
 GbEditorWorkspace > GtkPaned > GtkBox > GtkBox.header.notebook {
-    border-bottom: 1px solid $borders_color;
+  border-bottom: 1px solid $borders_color;
 }
 
 GbViewStack.focused GtkBox.header.notebook {
-  background-color: $bg_color;
+  background-color: $base_color;
 
  .button.dim-label { opacity: 1; }
 }