<form method="POST" action="/exploit/run">
  <div class="step_content step_1_content">
    <%= erb :step_1 %>
  </div>

  <div class="step_content step_2_content">
    <%= erb :step_2 %>
  </div>

  <div class="step_content step_3_content">
    <%= erb :step_3 %>
  </div>
</form>