app/views/unsubscribe.erb
<div class="container">
<img src="<%= asset_path 'icons/citygram-logo-color.png' %>" width="150" class="logo">
<h1>Successfully unsubscribed <span class="topic"><%= @subscription.email_address %></span> from <span class="topic"><%= @subscription.publisher.title %></span></h1>
</div>