The selected region, in the top right filter, is better displayed

app/assets/stylesheets/region.sass

@@ -20,6 +20,8 @@
       display: block
   li
     margin: 0
+    &.selected
+      box-shadow: 0 0 0 6px lightgray
     a
       padding: 0.3em 0.6em
       display: inline-block

public/assets/tinymce-97e0d99167d7592c5b290e7624b1454da71548af491400a950b59e17de9b8d98.js

@@ -0,0 +1,23 @@
+(function() {
+  $(document).on('turbolinks:load', function() {
+    return tinyMCE.init({
+      schema: 'html5',
+      height: '40em',
+      menubar: false,
+      branding: false,
+      language: 'fr_FR',
+      selector: 'input.description',
+      content_css: '/assets/application-f91f8814fd565cd52ce0c9b892749fc69c3ddb59cc3af89fd0bae07b0d01dd94.css',
+      entity_encoding: 'raw',
+      add_unload_trigger: true,
+      browser_spellcheck: true,
+      toolbar: [' cut copy paste | undo redo | searchreplace | link image media charmap table | code visualblocks preview fullscreen', ' removeformat | bold italic strikethrough | superscript subscript | bullist numlist | alignleft aligncenter alignright alignjustify alignnone | outdent indent'],
+      plugins: 'lists, advlist, autolink, link, image, charmap, paste, print, preview, table, fullscreen, searchreplace, media, insertdatetime, visualblocks, wordcount, contextmenu, code'
+    });
+  });
+
+  $(document).on('turbolinks:before-cache', function() {
+    return tinymce.remove();
+  });
+
+}).call(this);