Do not show link content section when links fields are not defined.

app/views/shared/_header.html.erb

@@ -1,13 +1,17 @@
 <% if header.present? %>
-  <div class="jumbo highlight">
+  <div class="header-card jumbo highlight">
     <div class="row">
       <div class="small-12 medium-6 column <%= "medium-9 small-centered text-center" unless header.image.present? %>">
         <span><%= header.label %></span>
         <h1><%= header.title %></h1>
+
         <p class="lead"><%= header.description %></p>
-        <div class="small-12 medium-6 large-4 <%= "small-centered" unless header.image.present? %>">
+
-          <%= link_to header.link_text, header.link_url, class: "button expanded large" %>
+        <% if header.link_text.present? && header.link_url.present? %>
-        </div>
+          <div class="small-12 medium-6 large-4 <%= "small-centered" unless header.image.present? %>">
+            <%= link_to header.link_text, header.link_url, class: "button expanded large" %>
+          </div>
+        <% end %>
       </div>
 
       <% if header.image.present? %>

spec/system/home_spec.rb

@@ -174,4 +174,30 @@ describe "Home" do
 
     expect(page).not_to have_css(".title", text: "Featured")
   end
+
+  describe "Header Card" do
+    scenario "if there is header card with link, the link content is rendered" do
+      create(:widget_card, :header, link_text: "Link text", link_url: "consul.dev")
+
+      visit root_path
+
+      expect(page).to have_link "Link text", href: "consul.dev"
+    end
+
+    scenario "if there is header card without link, the link content is not rendered" do
+      create(:widget_card, :header, link_text: nil, link_url: nil)
+
+      visit root_path
+
+      within(".header-card") { expect(page).not_to have_link }
+    end
+
+    scenario "if there is header card without link and with text, the link content is not rendered" do
+      create(:widget_card, :header, link_text: "", link_url: "", link_text_es: "Link ES", title_es: "ES")
+
+      visit root_path(locale: :es)
+
+      within(".header-card") { expect(page).not_to have_link }
+    end
+  end
 end