Django's Password Reset Email is not rendering the CSS properly but grabbing the HTML content

I am using Django's password reset and I'm trying to send the password reset with a custom HTML template for when the user receives the email, its nicely formatted. Right now when I send it, it's sending the content of what's in the HTML file, but the styling isn't there for some reason and I can't figure out why. There should be spacing and all of that, so it looks nice, but it isn't doing it.

password_reset_email.html

{% load static %}
<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Reset Your Password</title>
    <style>
        /* Inline styles for email clients */
        body {
            font-family: Arial, sans-serif;
            line-height: 1.6;
            color: #333;
            background-color: #f5f5f5;
            margin: 0;
            padding: 0;
        }
        .password_reset_email {
            max-width: 600px;
            margin: 0 auto;
            padding: 2rem;
            background: white;
            border-radius: 8px;
            box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
        }
        .password_reset_email-header {
            text-align: center;
            margin-bottom: 2rem;
        }
        .password_reset_email-header h1 {
            color: #2c3e50;
            font-size: 2rem;
            margin-bottom: 1rem;
        }
        .password_reset_email-content {
            margin-bottom: 2rem;
        }
        .password_reset_email-content p {
            margin-bottom: 1rem;
            color: #333;
        }
        .password_reset_email-button {
            display: inline-block;
            background: #3498db;
            color: white;
            padding: 0.8rem 1.5rem;
            border-radius: 4px;
            text-decoration: none;
            margin: 1rem 0;
        }
        .password_reset_email-footer {
            margin-top: 2rem;
            padding-top: 1rem;
            border-top: 1px solid #ddd;
            text-align: center;
            color: #7f8c8d;
            font-size: 0.9rem;
        }
    </style>
</head>
<body>
    <div class="password_reset_email">
        <div class="password_reset_email-header">
            <h1>Reset Your Password</h1>
        </div>

        <div class="password_reset_email-content">
            <p>Hello,</p>
            <p>We received a request to reset your password for your Test account. If you didn't make this request, you can safely ignore this email.</p>
            <p>To reset your password, click the button below:</p>

            <div style="text-align: center;">
                <a href="{{ protocol }}://{{ domain }}{% url 'password_reset_confirm' uidb64=uid token=token %}"
                   class="password_reset_email-button">
                    Reset Password
                </a>
            </div>

            <p>This link will expire in 24 hours for security reasons.</p>
            <p>If you're having trouble clicking the button, you can copy and paste this link into your browser:</p>
            <p style="word-break: break-all; color: #3498db;">
                {{ protocol }}://{{ domain }}{% url 'password_reset_confirm' uidb64=uid token=token %}
            </p>
        </div>

        <div class="password_reset_email-footer">
            <p>This email was sent by Test Domain</p>
            <p>If you have any questions, please contact our support team</p>
        </div>
    </div>
</body>
</html>

views.py

class ResetPasswordView(SuccessMessageMixin, PasswordResetView):
template_name = 'forgot_password.html'
html_email_template_name = 'password_reset_email.html'
subject_template_name = 'Password_reset_subject.txt'
success_message =  "We've emailed you instructions for resetting your password, " \
                  "if an account exists with the email you entered. You should receive an email shortly." \
                  " If you don't receive an email, " \
                  "please make sure you've entered the address you registered with, and check your spam folder."
success_url = reverse_lazy('login')

urls.py (main url)

from django.urls import path, include
from users.views import ResetPasswordView
from django.contrib.auth import views as auth_views


urlpatterns = [
    path('password_reset/', ResetPasswordView.as_view(), name='password_reset'),

    path('password_reset_confirm/<uidb64>/<token>/', auth_views.PasswordResetConfirmView.as_view(template_name='password_confirmation.html'), name='password_reset_confirm'),
    path('password_reset_complete/', auth_views.PasswordResetCompleteView.as_view(template_name='password_complete.html'), name='password_reset_complete'),

]

What email shows: Email Example

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