diff --git a/Gemfile b/Gemfile
index 0189349..0e8b30c 100644
--- a/Gemfile
+++ b/Gemfile
@@ -53,6 +53,7 @@ group :production do
 end
 
 gem 'administrate'
+gem 'administrate-field-image'
 gem 'dragonfly'
 gem 'dragonfly-s3_data_store'
 gem 'kaminari'
diff --git a/Gemfile.lock b/Gemfile.lock
index 5c20020..9bdd65e 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -48,6 +48,8 @@ GEM
       momentjs-rails (~> 2.8)
       sass-rails (~> 5.0)
       selectize-rails (~> 0.6)
+    administrate-field-image (1.1.0)
+      administrate (>= 0.2.0.rc1)
     arel (6.0.4)
     ast (2.3.0)
     autoprefixer-rails (7.1.2.3)
@@ -330,6 +332,7 @@ PLATFORMS
 
 DEPENDENCIES
   administrate
+  administrate-field-image
   aws-sdk
   better_errors
   binding_of_caller
diff --git a/app/assets/stylesheets/administrate/overrides.css.scss b/app/assets/stylesheets/administrate/overrides.css.scss
index 13d5ecb..b2729dc 100644
--- a/app/assets/stylesheets/administrate/overrides.css.scss
+++ b/app/assets/stylesheets/administrate/overrides.css.scss
@@ -1,9 +1,9 @@
-.logout {
+.navigation__link--logout {
   position: absolute;
-  bottom: 1.5em;
+  bottom: 3em;
 }
 
-.login {
+.main-content--login {
   margin-left: auto;
   margin-right: auto;
   max-width: 50em;
diff --git a/app/controllers/admin/application_controller.rb b/app/controllers/admin/application_controller.rb
index 4fc94ca..273ff84 100644
--- a/app/controllers/admin/application_controller.rb
+++ b/app/controllers/admin/application_controller.rb
@@ -1,6 +1,6 @@
 # All Administrate controllers inherit from this `Admin::ApplicationController`,
 # making it the ideal place to put authentication logic or other
-# before_filters.
+# before_actions.
 #
 # If you want to add pagination or other controller-level concerns,
 # you're free to overwrite the RESTful controller actions.
@@ -8,7 +8,7 @@ module Admin
   class ApplicationController < Administrate::ApplicationController
     include Monban::ControllerHelpers
 
-    before_filter :require_login
+    before_action :require_login
 
     # Override this value to specify the number of elements to display at a time
     # on index pages. Defaults to 20.
diff --git a/app/controllers/admin/categories_controller.rb b/app/controllers/admin/categories_controller.rb
index 2ed78b7..4f88995 100644
--- a/app/controllers/admin/categories_controller.rb
+++ b/app/controllers/admin/categories_controller.rb
@@ -1,11 +1,13 @@
 module Admin
   class CategoriesController < Admin::ApplicationController
     # To customize the behavior of this controller,
-    # simply overwrite any of the RESTful actions. For example:
+    # you can overwrite any of the RESTful actions. For example:
     #
     # def index
     #   super
-    #   @resources = Category.all.paginate(10, params[:page])
+    #   @resources = Category.
+    #     page(params[:page]).
+    #     per(10)
     # end
 
     # Define a custom finder by overriding the `find_resource` method:
@@ -13,7 +15,7 @@ module Admin
     #   Category.find_by!(slug: param)
     # end
 
-    # See https://administrate-docs.herokuapp.com/customizing_controller_actions
+    # See https://administrate-prototype.herokuapp.com/customizing_controller_actions
     # for more information
   end
 end
diff --git a/app/controllers/admin/pages_controller.rb b/app/controllers/admin/pages_controller.rb
index 126f048..f058900 100644
--- a/app/controllers/admin/pages_controller.rb
+++ b/app/controllers/admin/pages_controller.rb
@@ -1,11 +1,13 @@
 module Admin
   class PagesController < Admin::ApplicationController
     # To customize the behavior of this controller,
-    # simply overwrite any of the RESTful actions. For example:
+    # you can overwrite any of the RESTful actions. For example:
     #
     # def index
     #   super
-    #   @resources = Page.all.paginate(10, params[:page])
+    #   @resources = Page.
+    #     page(params[:page]).
+    #     per(10)
     # end
 
     # Define a custom finder by overriding the `find_resource` method:
@@ -13,7 +15,7 @@ module Admin
     #   Page.find_by!(slug: param)
     # end
 
-    # See https://administrate-docs.herokuapp.com/customizing_controller_actions
+    # See https://administrate-prototype.herokuapp.com/customizing_controller_actions
     # for more information
   end
 end
diff --git a/app/controllers/admin/photos_controller.rb b/app/controllers/admin/photos_controller.rb
index 1b181ad..bad8773 100644
--- a/app/controllers/admin/photos_controller.rb
+++ b/app/controllers/admin/photos_controller.rb
@@ -1,11 +1,13 @@
 module Admin
   class PhotosController < Admin::ApplicationController
     # To customize the behavior of this controller,
-    # simply overwrite any of the RESTful actions. For example:
+    # you can overwrite any of the RESTful actions. For example:
     #
     # def index
     #   super
-    #   @resources = Photo.all.paginate(10, params[:page])
+    #   @resources = Photo.
+    #     page(params[:page]).
+    #     per(10)
     # end
 
     # Define a custom finder by overriding the `find_resource` method:
@@ -13,7 +15,7 @@ module Admin
     #   Photo.find_by!(slug: param)
     # end
 
-    # See https://administrate-docs.herokuapp.com/customizing_controller_actions
+    # See https://administrate-prototype.herokuapp.com/customizing_controller_actions
     # for more information
   end
 end
diff --git a/app/controllers/admin/users_controller.rb b/app/controllers/admin/users_controller.rb
index 43795c3..70251c0 100644
--- a/app/controllers/admin/users_controller.rb
+++ b/app/controllers/admin/users_controller.rb
@@ -1,11 +1,13 @@
 module Admin
   class UsersController < Admin::ApplicationController
     # To customize the behavior of this controller,
-    # simply overwrite any of the RESTful actions. For example:
+    # you can overwrite any of the RESTful actions. For example:
     #
     # def index
     #   super
-    #   @resources = User.all.paginate(10, params[:page])
+    #   @resources = User.
+    #     page(params[:page]).
+    #     per(10)
     # end
 
     # Define a custom finder by overriding the `find_resource` method:
@@ -13,7 +15,7 @@ module Admin
     #   User.find_by!(slug: param)
     # end
 
-    # See https://administrate-docs.herokuapp.com/customizing_controller_actions
+    # See https://administrate-prototype.herokuapp.com/customizing_controller_actions
     # for more information
   end
 end
diff --git a/app/dashboards/category_dashboard.rb b/app/dashboards/category_dashboard.rb
index dac6abc..7e090ea 100644
--- a/app/dashboards/category_dashboard.rb
+++ b/app/dashboards/category_dashboard.rb
@@ -18,7 +18,7 @@ class CategoryDashboard < Administrate::BaseDashboard
     base_colour: ColourField,
     sort: Field::Number,
     slug: Field::String,
-  }
+  }.freeze
 
   # COLLECTION_ATTRIBUTES
   # an array of attributes that will be displayed on the model's index page.
@@ -29,7 +29,7 @@ class CategoryDashboard < Administrate::BaseDashboard
     :name,
     :base_colour,
     :photos,
-  ]
+  ].freeze
 
   # SHOW_PAGE_ATTRIBUTES
   # an array of attributes that will be displayed on the model's show page.
@@ -44,25 +44,24 @@ class CategoryDashboard < Administrate::BaseDashboard
     :photo_id,
     :sort,
     :photos,
-  ]
+  ].freeze
 
   # FORM_ATTRIBUTES
   # an array of attributes that will be displayed
   # on the model's form (`new` and `edit`) pages.
   FORM_ATTRIBUTES = [
-    :photos,
     :name,
+    :slug,
+    :base_colour,
     :description,
     :photo_id,
-    :base_colour,
     :sort,
-    :slug,
-  ]
+  ].freeze
 
   # Overwrite this method to customize how categories are displayed
   # across all pages of the admin dashboard.
   #
-  def display_resource(category)
-    category.name
-  end
+  # def display_resource(category)
+  #   "Category ##{category.id}"
+  # end
 end
diff --git a/app/dashboards/page_dashboard.rb b/app/dashboards/page_dashboard.rb
index aae4e06..ec6fe42 100644
--- a/app/dashboards/page_dashboard.rb
+++ b/app/dashboards/page_dashboard.rb
@@ -14,7 +14,7 @@ class PageDashboard < Administrate::BaseDashboard
     content: MarkdownField,
     created_at: Field::DateTime,
     updated_at: Field::DateTime,
-  }
+  }.freeze
 
   # COLLECTION_ATTRIBUTES
   # an array of attributes that will be displayed on the model's index page.
@@ -22,9 +22,9 @@ class PageDashboard < Administrate::BaseDashboard
   # By default, it's limited to four items to reduce clutter on index pages.
   # Feel free to add, remove, or rearrange items.
   COLLECTION_ATTRIBUTES = [
-    :title,
     :name,
-  ]
+    :title,
+  ].freeze
 
   # SHOW_PAGE_ATTRIBUTES
   # an array of attributes that will be displayed on the model's show page.
@@ -35,7 +35,7 @@ class PageDashboard < Administrate::BaseDashboard
     :content,
     :created_at,
     :updated_at,
-  ]
+  ].freeze
 
   # FORM_ATTRIBUTES
   # an array of attributes that will be displayed
@@ -44,12 +44,12 @@ class PageDashboard < Administrate::BaseDashboard
     :name,
     :title,
     :content,
-  ]
+  ].freeze
 
   # Overwrite this method to customize how pages are displayed
   # across all pages of the admin dashboard.
   #
-  def display_resource(page)
-    page.title
-  end
+  # def display_resource(page)
+  #   "Page ##{page.id}"
+  # end
 end
diff --git a/app/dashboards/photo_dashboard.rb b/app/dashboards/photo_dashboard.rb
index 985beed..6573d2b 100644
--- a/app/dashboards/photo_dashboard.rb
+++ b/app/dashboards/photo_dashboard.rb
@@ -21,7 +21,7 @@ class PhotoDashboard < Administrate::BaseDashboard
     taken_at: Field::DateTime,
     views: Field::Number,
     image: Field::Image,
-  }
+  }.freeze
 
   # COLLECTION_ATTRIBUTES
   # an array of attributes that will be displayed on the model's index page.
@@ -34,7 +34,7 @@ class PhotoDashboard < Administrate::BaseDashboard
     :taken_at,
     :featured,
     :categories,
-  ]
+  ].freeze
 
   # SHOW_PAGE_ATTRIBUTES
   # an array of attributes that will be displayed on the model's show page.
@@ -52,7 +52,7 @@ class PhotoDashboard < Administrate::BaseDashboard
     :enabled,
     :views,
     :categories,
-  ]
+  ].freeze
 
   # FORM_ATTRIBUTES
   # an array of attributes that will be displayed
@@ -70,9 +70,12 @@ class PhotoDashboard < Administrate::BaseDashboard
     :enabled,
     :views,
     :categories,
-  ]
+  ].freeze
 
-  def display_resource(photo)
-    photo.title
-  end
+  # Overwrite this method to customize how photos are displayed
+  # across all pages of the admin dashboard.
+  #
+  # def display_resource(photo)
+  #   "Photo ##{photo.id}"
+  # end
 end
diff --git a/app/dashboards/user_dashboard.rb b/app/dashboards/user_dashboard.rb
index b5dcefb..4a686af 100644
--- a/app/dashboards/user_dashboard.rb
+++ b/app/dashboards/user_dashboard.rb
@@ -13,7 +13,7 @@ class UserDashboard < Administrate::BaseDashboard
     password_digest: Field::String,
     created_at: Field::DateTime,
     updated_at: Field::DateTime,
-  }
+  }.freeze
 
   # COLLECTION_ATTRIBUTES
   # an array of attributes that will be displayed on the model's index page.
@@ -22,25 +22,24 @@ class UserDashboard < Administrate::BaseDashboard
   # Feel free to add, remove, or rearrange items.
   COLLECTION_ATTRIBUTES = [
     :email,
-  ]
+    :created_at,
+  ].freeze
 
   # SHOW_PAGE_ATTRIBUTES
   # an array of attributes that will be displayed on the model's show page.
   SHOW_PAGE_ATTRIBUTES = [
     :id,
     :email,
-    :password_digest,
     :created_at,
     :updated_at,
-  ]
+  ].freeze
 
   # FORM_ATTRIBUTES
   # an array of attributes that will be displayed
   # on the model's form (`new` and `edit`) pages.
   FORM_ATTRIBUTES = [
     :email,
-    :password_digest,
-  ]
+  ].freeze
 
   # Overwrite this method to customize how users are displayed
   # across all pages of the admin dashboard.
diff --git a/app/views/admin/application/_flashes.html.erb b/app/views/admin/application/_flashes.html.erb
index ff3a9f5..07d4265 100644
--- a/app/views/admin/application/_flashes.html.erb
+++ b/app/views/admin/application/_flashes.html.erb
@@ -14,7 +14,7 @@ This partial renders flash messages on every page.
 <% if flash.any? %>
   <div class="flashes">
     <% flash.each do |key, value| -%>
-      <div class="flash flash--<%= key %>"><%= value %></div>
+      <div class="flash flash-<%= key %>"><%= value %></div>
     <% end -%>
   </div>
 <% end %>
diff --git a/app/views/admin/application/_javascript.html.erb b/app/views/admin/application/_javascript.html.erb
index 499323b..5197fe6 100644
--- a/app/views/admin/application/_javascript.html.erb
+++ b/app/views/admin/application/_javascript.html.erb
@@ -7,7 +7,9 @@ but each page can define additional JS sources
 by providing a `content_for(:javascript)` block.
 %>
 
-<%= javascript_include_tag "administrate/application" %>
+<% Administrate::Engine.javascripts.each do |js_path| %>
+  <%= javascript_include_tag js_path %>
+<% end %>
 
 <%= yield :javascript %>
 
diff --git a/app/views/admin/application/_navigation.html.erb b/app/views/admin/application/_navigation.html.erb
new file mode 100644
index 0000000..67c8525
--- /dev/null
+++ b/app/views/admin/application/_navigation.html.erb
@@ -0,0 +1,25 @@
+<%#
+# Navigation
+
+This partial is used to display the navigation in Administrate.
+By default, the navigation contains navigation links
+for all resources in the admin dashboard,
+as defined by the routes in the `admin/` namespace
+%>
+
+<nav class="navigation" role="navigation">
+  <% Administrate::Namespace.new(namespace).resources.each do |resource| %>
+    <%= link_to(
+      display_resource_name(resource),
+      [namespace, resource.path],
+      class: "navigation__link navigation__link--#{nav_link_state(resource)}"
+    ) %>
+  <% end %>
+
+  <%= link_to(
+    "Log out",
+    session_path,
+    method: :delete,
+    class: "navigation__link navigation__link--logout",
+  ) %>
+</nav>
diff --git a/app/views/admin/application/_sidebar.html.erb b/app/views/admin/application/_sidebar.html.erb
deleted file mode 100644
index aa2a5fd..0000000
--- a/app/views/admin/application/_sidebar.html.erb
+++ /dev/null
@@ -1,20 +0,0 @@
-<%#
-# Sidebar
-
-This partial is used to display the sidebar in Administrate.
-By default, the sidebar contains navigation links
-for all resources in the admin dashboard,
-as defined by the routes in the `admin/` namespace
-%>
-
-<ul class="sidebar__list">
-  <% Administrate::Namespace.new(namespace).resources.each do |resource| %>
-    <li>
-      <%= link_to(
-        display_resource_name(resource),
-        [namespace, resource],
-        class: "sidebar__link sidebar__link--#{nav_link_state(resource)}"
-      ) %>
-    </li>
-  <% end %>
-</ul>
diff --git a/app/views/admin/application/_stylesheet.html.erb b/app/views/admin/application/_stylesheet.html.erb
new file mode 100644
index 0000000..90c3858
--- /dev/null
+++ b/app/views/admin/application/_stylesheet.html.erb
@@ -0,0 +1,16 @@
+<%#
+# Stylesheet Partial
+
+This partial imports the necessary stylesheets on each page.
+By default, it includes the application CSS,
+but each page can define additional CSS sources
+by providing a `content_for(:stylesheet)` block.
+%>
+
+<% Administrate::Engine.stylesheets.each do |css_path| %>
+  <%= stylesheet_link_tag css_path %>
+<% end %>
+
+<%= stylesheet_link_tag "administrate/overrides", media: "all" %>
+
+<%= yield :stylesheet %>
diff --git a/app/views/layouts/admin/application.html.erb b/app/views/layouts/admin/application.html.erb
index 07ef1bb..4951671 100644
--- a/app/views/layouts/admin/application.html.erb
+++ b/app/views/layouts/admin/application.html.erb
@@ -5,42 +5,35 @@ This view template is used as the layout
 for every page that Administrate generates.
 
 By default, it renders:
-- Sidebar for navigation
+- Navigation
 - Content for a search bar
   (if provided by a `content_for` block in a nested page)
 - Flashes
-- Links to stylesheets and Javascripts
+- Links to stylesheets and JavaScripts
 %>
 
 <!DOCTYPE html>
 <html lang="<%= I18n.locale %>">
 <head>
-  <meta charset="utf-8" />
-  <meta name="ROBOTS" content="NOODP" />
-  <meta name="viewport" content="initial-scale=1" />
-  <title><%= content_for(:title) %> | <%= Rails.application.class.parent_name.titlecase %></title>
-  <%= stylesheet_link_tag "administrate/application", media: "all" %>
-  <%= stylesheet_link_tag "administrate/overrides", media: "all" %>
+  <meta charset="utf-8">
+  <meta name="ROBOTS" content="NOODP">
+  <meta name="viewport" content="initial-scale=1">
+  <title>
+    <%= content_for(:title) %> - <%= Rails.application.class.parent_name.titlecase %>
+  </title>
+  <%= render "stylesheet" %>
   <%= csrf_meta_tags %>
 </head>
-
 <body>
+  <%= render "icons" %>
 
   <div class="app-container">
-
-    <div class="sidebar">
-      <%= render "sidebar" -%>
-      <%= content_tag :div, class: :logout do %>
-        <%= link_to "Log out", session_path, method: :delete %>
-      <% end %>
-    </div>
+    <%= render "navigation" -%>
 
     <main class="main-content" role="main">
-      <%= content_for(:search) %>
       <%= render "flashes" -%>
       <%= yield %>
     </main>
-
   </div>
 
   <%= render "javascript" %>
diff --git a/app/views/layouts/admin/login.html.erb b/app/views/layouts/admin/login.html.erb
index 48a875b..fb09f35 100644
--- a/app/views/layouts/admin/login.html.erb
+++ b/app/views/layouts/admin/login.html.erb
@@ -18,21 +18,19 @@ By default, it renders:
   <meta charset="utf-8" />
   <meta name="ROBOTS" content="NOODP" />
   <meta name="viewport" content="initial-scale=1" />
-  <title><%= Rails.application.class.parent_name.titlecase %></title>
-  <%= stylesheet_link_tag "administrate/application", media: "all" %>
-  <%= stylesheet_link_tag "administrate/overrides", media: "all" %>
+  <title>
+    <%= content_for(:title) %> - <%= Rails.application.class.parent_name.titlecase %>
+  </title>
+  <%= render "admin/application/stylesheet" %>
   <%= csrf_meta_tags %>
 </head>
 
 <body>
-
   <div class="app-container">
-
-    <main class="main-content login" role="main">
+    <main class="main-content main-content--login" role="main">
       <%= render "admin/application/flashes" -%>
       <%= yield %>
     </main>
-
   </div>
 
   <%= render "admin/application/javascript" %>
diff --git a/app/views/sessions/new.html.erb b/app/views/sessions/new.html.erb
index 1088c1a..2da7640 100644
--- a/app/views/sessions/new.html.erb
+++ b/app/views/sessions/new.html.erb
@@ -1,29 +1,31 @@
-<header class="header">
-  <h1>Sign In</h1>
+<header class="main-content__header" role="banner">
+  <h1 class="main-content__page-title" id="page-title">Sign In</h1>
 </header>
 
-<%= form_for :session, url: session_path do |form| %>
-  <div class="form-inputs">
-    <div class="field-unit field-unit--string">
-      <div class="field-unit__label">
-        <%= form.label :email %>
+<section class="main-content__body main-content__body--flush">
+  <%= form_for :session, url: session_path do |form| %>
+    <div class="form-inputs">
+      <div class="field-unit field-unit--string">
+        <div class="field-unit__label">
+          <%= form.label :email %>
+        </div>
+        <div class="field-unit__field">
+          <%= form.email_field :email %>
+        </div>
       </div>
-      <div class="field-unit__field">
-        <%= form.email_field :email %>
+
+      <div class="field-unit field-unit--string">
+        <div class="field-unit__label">
+          <%= form.label :password %>
+        </div>
+        <div class="field-unit__field">
+          <%= form.password_field :password %>
+        </div>
       </div>
     </div>
 
-    <div class="field-unit field-unit--string">
-      <div class="field-unit__label">
-        <%= form.label :password %>
-      </div>
-      <div class="field-unit__field">
-        <%= form.password_field :password %>
-      </div>
+    <div class="form-actions">
+      <%= form.submit "Sign in" %>
     </div>
-  </div>
-
-  <div class="form-actions">
-    <%= form.submit "Sign in" %>
-  </div>
-<% end %>
+  <% end %>
+</section>