lass="text-center">
    <form class="form-signin" method="post" action='{%url "accounts:login" %}'>
      {% csrf_token %}
      <img class="mb-4" src="https://getbootstrap.com/docs/4.0/assets/brand/bootstrap-solid.svg" alt="" width="72" height="72">
      <h1 class="h3 mb-3 font-weight-normal">Please sign in</h1>
      <label for="inputEmail" class="sr-only">Username</label>
      <input type="text" name="username" class="form-control" placeholder="Username" required autofocus>
      <label for="inputPassw