diff --git a/bedrock.config.js b/bedrock.config.js
index 31f26c9..297cdbb 100644
--- a/bedrock.config.js
+++ b/bedrock.config.js
@@ -5,6 +5,17 @@
 */
 
 module.exports = {
+  /**
+   *  Page tree generation: existence of this section
+   *  determines whether the page tree gets generated
+  */
+  pageTree: {
+    layoutStyle: 'sidebar' // 'sidebar' or 'fixed'
+  },
+  /**
+   * CSS and JS minification
+   * Adjust these values to set up your project for production or dev
+  */
   js: {
     minify: false
   },
@@ -13,39 +24,44 @@ module.exports = {
     minify: false,
     purge: false
   },
+  /**
+   *  Styleguide generation: existence of this section
+   *  determines whether the styleguide gets generated
+  */
   styleguide: {
+    /**
+     *  search [boolean]
+     *  Feature flag for search feature
+    */
     search: true,
     colors: './content/scss/_colors.scss',
+    /**
+     *  categoryOrder
+     *  Determines the order of documentation categories
+    */
     categoryOrder: [
       'Style guide',
       'Design patterns',
       'Components'
     ],
+    /**
+     * componentCategories
+     * The prefix on folder names in /components determines the category
+    */
     componentCategories: {
       aov: 'Overviews',
       c: 'Components',
     }
   },
+  /**
+   *  Icon
+   *  Set up whether Bedrock should generate icon fonts
+   *  Set up CSS classnames for SVG icons and icon font
+  */
   icons: {
     generateIconFont: false,
     iconFontPath: "./content/scss/_icon-font.scss",
     svgIconClassPrefix: 'o-svg-icon',
     iconFontClassPrefix: 'if'
   },
-  pug: {
-    pretty: true,
-    basedir: "./content"
-  },
-  prettify: {
-    indentWithTabs: true,
-    preserveNewlines: true,
-    inline: '',
-    logSuccess: false,
-    indentSize: 2,
-    unformatted: ['pre', 'textarea'],
-    extraLiners: ['body']
-  },
-  express: {
-    port: 8000,
-  },
 };
diff --git a/content/templates/_layouts/master.pug b/content/templates/_layouts/master.pug
index 84b957c..3f740b7 100644
--- a/content/templates/_layouts/master.pug
+++ b/content/templates/_layouts/master.pug
@@ -45,10 +45,16 @@ html(dir="ltr" lang="en" class=htmlClass ? htmlClass : '')
 
     body(class=bodyClass ? bodyClass : '')
 
-        .br-prototype-wrapper
-            include ../../../core/templates/includes/prototype-nav
-            .br-prototype-content
-                block body
+        if config.pageTree && config.pageTree.layoutStyle == 'sidebar'
+            .br-prototype-wrapper
+                include ../../../core/templates/includes/prototype-nav
+                .br-prototype-content
+                    block body
+        else
+            block body
+            if config.pageTree && config.pageTree.layoutStyle == 'fixed'
+                .br-pagetree-fixed-wrapper
+                    include ../../../core/templates/includes/prototype-nav
 
         = "\n"
         script(src='/js/bundle-prototype.js')
diff --git a/core/discovery/config.js b/core/discovery/config.js
index 77ced8c..1f9db83 100644
--- a/core/discovery/config.js
+++ b/core/discovery/config.js
@@ -1,4 +1,7 @@
 const DEFAULT_CONFIG = {
+  pageTree: {
+    layoutStyle: 'sidebar'
+  },
   js: {
     minify: false
   },
diff --git a/core/scss/prototype.scss b/core/scss/prototype.scss
index fabc010..1ed409b 100644
--- a/core/scss/prototype.scss
+++ b/core/scss/prototype.scss
@@ -39,6 +39,17 @@ $br-styleguide-content-padding-left: 4.8rem*$br-rem-multiplier !default;
 
 @import "../../content/scss/br-variables-override";
 
+
+/* Fixed layout
+   ========================================================================== */
+
+.br-pagetree-fixed-wrapper {
+  position: fixed;
+  right: 0;
+  bottom: 0;
+  height: 100vh;
+}
+
 /* Basic setup
    ========================================================================== */