<form method="POST" class="container is-responsive">
    {% csrf_token %}

    <h1><font color="black">Log in</font></h1>
    <label for="username"><font color="black"><b>Email</b></font></label>
    <p><font color="black"> {{ form.username}}</font></p>

    <label for="psw"><font color="black">Password</font></label>
    <p><font color="black">{{ form.password}}</font></p>

    <button type="submit" class="btn">Login</button>
    {% if form.errors %}
    <p><font color="red"><b>Invalid username or password.</b> Please try again.</font></p>
    {% endif %}
</form>