vlv-search/web/views/login.erb

<div class="container">
  <form class="form form--login" action="/login" method="POST">
    <p>Log in with your VLV credentials</p>
    <% if error_message %>
      <p class="error"><%= error_message %></p>
    <% end %>
    <div class="form__field">
      <label class="form__label">Username</label>
      <input type="text" name="username" class="form__text-field" value="<%= params[:username] %>">
    </div>
    <div class="form__field">
      <label class="form__label">Password</label>
      <input type="password" name="password" class="form__text-field" value="<%= params[:password] %>">
    </div>
    <div class="form__field">
      <input type="submit" value="Login" class="btn form__submit">
    </div>
  </form>
</div>