frenzy/lib/frenzy_web/templates/group/new.html.eex

<%= form_for @changeset, Routes.group_path(@conn, :create), fn form -> %>
  <div class="form-group row">
    <label for="title" class="col-sm-2 col-form-label">Title</label>
    <div class="col-sm-10">
      <%= text_input form, :title, placeholder: "My New Group", class: "form-control" %>
    </div>
  </div>
  <div class="form-group row">
    <div class="col-sm-10">
      <%= submit "Create Group", class: "btn btn-primary" %>
    </div>
  </div>
<% end %>