app/views/thredded/messageboards/messageboard/_header.html.erb
<header class="thredded--messageboard--header">
<h2 class="thredded--messageboard--title"><%= messageboard.name %></h2>
<%= render 'thredded/messageboards/messageboard/unread_followed_topics_badge', messageboard: messageboard %>
<span class="thredded--flex-spacer"></span>
<%= render 'thredded/messageboards/messageboard/meta', messageboard: messageboard %>
</header>