clacks/lib/clacks_web/templates/login/login.html.eex

<%= form_tag Routes.login_path(@conn, :login_post), method: :post, class: "login-form" do %>
  <%= if @continue do %>
    <input type="hidden" name="continue" value="<%= @continue %>">
  <% end %>

  <div class="input-group">
    <label for="username">Username:</label>
    <input id="username" type="text" name="username">
  </div>
  <div class="input-group">
    <label for="password">Password:</label>
    <input id="password" type="password" name="password">
  </div>
  <%= submit "Log In" %>
<% end %>