Hide H1 for grid layout

With the `<h2>`s on this page it’s fairly explicit what the page is
listing, so user doesn’t need the context provided by the `<h1>`.

app/templates/views/choose-account.html

@@ -1,6 +1,11 @@
 {% extends "withoutnav_template.html" %}
 
-{% macro service_list(heading, show_heading, organisations=[], services=[]) %}
+{% macro service_list(
+  heading,
+  show_heading,
+  organisations=[],
+  services=[]
+) %}
   {% if show_heading %}
     <div class="grid-row">
       <div class="column-one-quarter">
@@ -34,6 +39,11 @@
   {% else %}
     </ul>
   {% endif %}
+  {% if show_add_service_button %}
+    <div class="js-stick-at-bottom-when-scrolling">
+      <a href="{{ url_for('.add_service') }}" class="button-secondary">Add a new service</a>
+    </div>
+  {% endif %}
   <div class="keyline-block"></div>
 {% endmacro %}
 
@@ -43,10 +53,11 @@
 
 {% block maincolumn_content %}
 
-  <h1 class="heading-large">
+  <h1 class="heading-large {% if current_user.has_multiple_services_or_organisations %}visually-hidden{% endif %}">
     Choose service
   </h1>
-  <nav class="browse-list">
+
+  <nav class="browse-list {% if current_user.has_multiple_services_or_organisations %}top-gutter-2-3{% endif %}">
 
     {% if current_user.platform_admin %}
       <div class="grid-row">
@@ -55,11 +66,11 @@
             Platform admin
           </h2>
         </div>
-        <div class="column-three-quarters">
+        <ul class="column-three-quarters">
           <li class="browse-list-item">
             <a href="{{ url_for('.organisations') }}" class="browse-list-link">All organisations</a>
           </li>
-        </div>
+        </ul>
       </div>
       <div class="keyline-block"></div>
     {% endif %}
@@ -88,9 +99,21 @@
     {% endif %}
 
   </nav>
+
   {% if can_add_service %}
     <div class="js-stick-at-bottom-when-scrolling">
+      {% if current_user.has_multiple_services_or_organisations %}
+        <div class="grid-row">
+          <div class="column-one-quarter">
+            &nbsp;
+          </div>
+          <div class="column-three-quarters">
+      {% endif %}
       <a href="{{ url_for('.add_service') }}" class="button-secondary">Add a new service</a>
+      {% if current_user.has_multiple_services_or_organisations %}
+          </div>
+        </div>
+      {% endif %}
     </div>
   {% endif %}