diff --git a/Dockerfile b/Dockerfile
index b1bcce07..bf82d720 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -11,6 +11,10 @@ COPY Gemfile* /app/
 RUN gem install bundler
 RUN bundle install --jobs 4
 
+RUN curl -sS https://dl.yarnpkg.com/debian/pubkey.gpg | apt-key add -
+RUN echo "deb https://dl.yarnpkg.com/debian/ stable main" | tee /etc/apt/sources.list.d/yarn.list
+RUN apt-get update && apt-get install -y yarn
+
 RUN mkdir /app/log
 
 COPY . /app/
diff --git a/app/assets/stylesheets/black.scss b/app/assets/stylesheets/black.scss
index 86647a0b..25d59126 100644
--- a/app/assets/stylesheets/black.scss
+++ b/app/assets/stylesheets/black.scss
@@ -1,3 +1,15 @@
+/*
+ * Apparently the requires need to be in the "root" stylesheet file, not
+ * the imported manifest.
+ *
+ *= require jquery-ui/menu
+ *= require jquery-ui/autocomplete
+ *= require jquery-ui/datepicker
+ *= require jquery-ui/dialog
+ *= require jquery-ui/sortable
+ *= require_self
+ */
+
 $gray-lighter: #EEE;
 $brand-primary: rgba(0, 0, 0, 0.75);
 $navbar-inverse-bg: $brand_primary;
diff --git a/app/assets/stylesheets/include/manifest.scss b/app/assets/stylesheets/include/manifest.scss
index ce2e368d..12066267 100644
--- a/app/assets/stylesheets/include/manifest.scss
+++ b/app/assets/stylesheets/include/manifest.scss
@@ -9,13 +9,6 @@
  * compiled file so the styles you add here take precedence over styles defined in any styles
  * defined in the other CSS/SCSS files in this directory. It is generally better to create a new
  * file per style scope.
- *
- *= require jquery-ui/menu
- *= require jquery-ui/autocomplete
- *= require jquery-ui/datepicker
- *= require jquery-ui/dialog
- *= require jquery-ui/sortable
- *= require_self
  */
 
 @import "icons";
diff --git a/app/assets/stylesheets/light_blue.scss b/app/assets/stylesheets/light_blue.scss
index 9d6ea71e..8a9405e8 100644
--- a/app/assets/stylesheets/light_blue.scss
+++ b/app/assets/stylesheets/light_blue.scss
@@ -1,3 +1,15 @@
+/*
+ * Apparently the requires need to be in the "root" stylesheet file, not
+ * the imported manifest.
+ *
+ *= require jquery-ui/menu
+ *= require jquery-ui/autocomplete
+ *= require jquery-ui/datepicker
+ *= require jquery-ui/dialog
+ *= require jquery-ui/sortable
+ *= require_self
+ */
+
 $gray-lighter: lighten(#000, 93.5%);
 $brand-primary: #3C6997;
 $navbar-inverse-bg: $brand_primary;