app/views/shared/_link_twitter_account.html.erb
<div class="container-fluid header-fluid">
<div class="container">
<h2>Please link your Twitter account</h2>
<p>Link your Twitter account to receive notifications for your reminders:</p>
<%= link_to 'Link Twitter account!', '/users/auth/twitter', class: 'btn btn-login' %>
</div>
</div>