app/views/shared/_page_heading_with_subtitle.html.erb
<header class="page-title-bar mb-0">
<div class="d-flex flex-column flex-md-row">
<div class="lead mb-3">
<h1 class="h4 font-weight-bold mb-1">
<%= local_assigns[:title] ? title : "#{action_name} #{subject}" %>
<span hidden role="status" class="reflex-activity spinner-border spinner-border-sm text-primary" style="position:relative; top:-5px;"></span>
</h1>
<%= tag.span subtitle, class: "d-block text-muted" if local_assigns[:subtitle].present? %>
</div>
<% if local_assigns[:datepicker] || local_assigns[:buttons] %>
<div class="ml-auto d-flex">
<% if local_assigns[:datepicker] %>
<%= render "/shared/date_range_picker" %>
<% end %>
<% (local_assigns[:buttons] || []).each do |link| %>
<%= link.html_safe %>
<% end %>
<% if local_assigns[:sidebar] %>
<button type="button" class="btn tile layout-button d-xl-none" onclick="CodeFundTheme.toggleSidebar()">
<span class="fa fa-angle-double-left"></span>
</button>
<% end %>
</div>
<% end %>
</div>
</header>