app/views/deadlines/edit.html.erb
<div class="padding-right">
<h1>Edit Deadline</h1>
<%= form_for :deadline do |i| %>
<%= i.label :deadline_title, "Title" %>
<%= i.text_field :deadline_title %><br>
<%= i.label :start_date, "Start Date" %>
<%= i.text_field :start_date %><br>
<%= i.label :end_date, "End Date" %>
<%= i.text_field :end_date %><br>
<%= i.label :explanation, "Explanation" %>
<%= i.text_field :explanation %><br>
<%= i.submit "Save", class: "btn btn-primary" %>
<% end %>
</div>