Fussy capitalization for shared text

app/assets/stylesheets/utilities.css

@@ -25,6 +25,7 @@
   .txt-break { word-break: break-word; }
   .txt-uppercase { text-transform: uppercase; }
   .txt-capitalize { text-transform: capitalize; }
+  .txt-capitalize-first-letter::first-letter { text-transform: capitalize; }
   .txt-link { color: var(--color-link); text-decoration: underline; }
 
   .font-weight-black { font-weight: 900; }

app/models/filter/resources.rb

@@ -23,7 +23,7 @@ module Filter::Resources
 
   def collection_titles
     if collections.none?
-      Collection.one? ? [ Collection.first.name ] : [ "All boards" ]
+      Collection.one? ? [ Collection.first.name ] : [ "all boards" ]
     else
       collections.map(&:name)
     end

app/views/cards/index.html.erb

@@ -5,7 +5,7 @@
 
 <% content_for :header do %>
   <h1 class="header__title divider divider--fade full-width">
-    <span class="overflow-ellipsis"><%= @user_filtering.selected_collections_label %></span>
+    <span class="overflow-ellipsis txt-capitalize-first-letter"><%= @user_filtering.selected_collections_label %></span>
   </h1>
 
   <div class="header__actions header__actions--end">