Django:在UpdateView中添加自定义CSS

我正在尝试找到一种将自定义CSS添加到生成的表单的方法。将自定义CSS添加到这些字段的合适方法是什么?

views.py

class ProfileUpdateView(UpdateView):
    template_name = "users/profileUpdate.html"
    model = models.User
    fields = (
        "first_name",
        "last_name",
        "about",
        "displayImg",
    )

    def get_object(self, queryset=None):
        return self.request.user

models.py

class User(AbstractUser):
    about = models.TextField(default="")
    displayImg = models.ImageField(blank=True, upload_to="users")

profileUpdate.html

    <form method="POST" enctype="multipart/form-data">
        {% csrf_token %}
        {{ form.as_p }}
        <button
            class="bg-blue-500 hover:bg-blue-700 text-white font-bold py-2 px-4 rounded focus:outline-none focus:shadow-outline w-full">Update</button>
    </form>