frenzy/lib/frenzy_web/templates/fervor/oauth/authorize.html.eex

<h2><%= @client.client_name %> wants to access your account</h2>

<%= form_tag Routes.oauth_path(@conn, :authorize_post), method: :post do %>
  <input type="hidden" name="client_id" value="<%= @client.client_id %>">
  <%= if @state do %>
    <input type="hidden" name="state" value="<%= @state %>">
  <% end %>
  <div class="form-group">
    <%= submit "Grant access", class: "btn btn-primary" %>
    <p>To reject the request, close this page.</p>
  </div>
<% end %>