<form class="form">
<input type="text" placeholder="Username">
<input type="password" placeholder="Password">
<button type="submit" id="login-button">Login</button>
</form>
<form class="form" method="POST" action="адрес куда нужно отправить">
{% csrf_token %}
<input type="text" placeholder="Логин" name="username">
<input type="password" placeholder="Пароль" name="password">
<button type="submit" id="login-button">Зайти</button>
</form>