weiro/views/login/login.html

<div class="mx-auto p-2" style="width: 400px; margin-block-start: 100px;">
  <div class="text-center mb-3">
    <h3>Weiro Login</h3>
  </div>
  <form action="/login" method="post">
    <input type="hidden" name="_login_challenge" value="{{ .challenge }}">
    <div class="mb-2">
      <label for="username" class="form-label">Login</label>
      <input type="text" class="form-control" name="username" id="username">
    </div>
    <div class="mb-3">
      <label for="password" class="form-label">Password</label>
      <input type="password" class="form-control" name="password" id="password">
    </div>
    <div class="mb-3 text-end">
      <input type="submit" class="btn btn-primary" value="Login">
    </div>
  </form>
</div>