app/views/questions/edit.html.erb
<%= form_for @question, class: "form-horizontal" do |f| %>
<div class="form-group">
<h1 class="text-center">Edit This Question</h1>
<div class="text-center">
<%= f.label :q, "Question", class: "control-label" %>
<%= f.text_field :q %>
</div>
<div class="text-center">
<%= f.submit 'Submit Changes', class: "btn btn-lg btn-success" %>
<%= link_to 'Delete Question', question_path(@question), method: :delete, class: "btn btn-lg btn-danger" %>
</div>
</div>
<% end %>