New files
templates/base.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>Djangocourse</title>
  <link rel="stylesheet" href="{% static 'output.css'%}">
  <link rel="stylesheet" href="https://cdn.jsdelivr.net/npm/easymde/dist/easymde.min.css">
  <script src="https://cdn.jsdelivr.net/npm/easymde/dist/easymde.min.js"></script>
</head>
<body>
  {% url 'create_article' as create_new_url %}
  {% url 'home' as your_articles_url %}
  {% url 'account_email' as change_email_url %}
  <nav class="px-10 py-4 border-b border-gray-300 shadow-md">
    <div class="flex justify-end items-center gap-6 max-w-7x mx-auto">
        {% if user.is_authenticated %}
          <a
            class="button primary"
            href="{% spaceless %}{% if request.path != create_new_url %} {{ create_new_url }} {% else %} # {% endif %}{% endspaceless %}">
            Create new
          </a>
          <a
            class="hover:shadow-underline hover:shadow-gray-300 {% if request.path == your_articles_url %} font-semibold {% endif %}"
            href="{{ your_articles_url }}">
            Your articles
          </a>
          <a
            class="hover:shadow-underline hover:shadow-gray-300 {% if request.path == change_email_url %} font-semibold {% endif %}"
            href="{{ change_email_url }}">
            Change email
          </a>
          <form method="POST" action="{% url 'account_logout' %}">
            {% csrf_token %}
            <button class="hover:shadow-underline  hover:shadow-gray-300" type="submit">Log out</button>
          </form>
        {% else %}
          <a class="button secondary text-sm" href="{% url 'account_login' %}">Log in</a>
          <a class="button primary text-sm" href="{% url 'account_signup' %}">Sign up</a>
        {% endif %}
    </div>
  </nav>
  {% block base_content %}
  {% endblock base_content %}
  <footer>Common footer for all templates</footer>
  {% block page_js %}
  {% endblock page_js %}
</body>
</html>
templates/allauth/layouts/base.html
{% extends "base.html" %}
{% block base_content %}
<div>
  {% block content %}
  {% endblock content %}
</div>
{% endblock base_content %}
Modified files
templates/app/home.html
--- 
+++ 
@@ -1,7 +1,7 @@
-{% extends "app/base.html" %}
+{% extends "base.html" %}
 {% load humanize %}
-{% block content %}
+{% block base_content %}
 <main class="max-w-7xl mx-auto mt-10 p-2 md:p-4 lg:p-10">
   <h1 class="title mb-4">Welcome</h1>
@@ -34,4 +34,4 @@
     <p>You have no articles yet.</p>
   {% endif %}
 </main>
-{% endblock content %}+{% endblock base_content %}
templates/app/article_delete.html
--- 
+++ 
@@ -1,6 +1,6 @@
-{% extends "app/base.html" %}
+{% extends "base.html" %}
-{% block content %}
+{% block base_content %}
 <main class="max-w-2xl mx-auto flex flex-col items-center mt-10">
   <h1 class="subtitle mb-2">Delete Article</h1>
   <p class="text-lg mb-6">Are you sure you want to delete "{{ article.title }}"?</p>
@@ -11,4 +11,4 @@
     <a href="{% url 'home' %}" class="button secondary"> {% include "svgs/arrow-left.svg" with class="inline-block w-6 h-6 mt-[-2px] mr-2" %} No, take me back</a>
   </form>
 </main>
-{% endblock content %}+{% endblock base_content %}
templates/app/layouts/base_form.html
--- 
+++ 
@@ -1,8 +1,8 @@
-{% extends "app/base.html" %}
+{% extends "base.html" %}
 {% load widget_tweaks %}
-{% block content %}
+{% block base_content %}
 <main class="max-w-7xl mx-auto mt-10">
   <form method="POST">
     {% csrf_token %}
@@ -31,7 +31,7 @@
     {% endblock buttons %}
   </form>
 </main>
-{% endblock content %}
+{% endblock base_content %}
 {% block page_js %}
 <script>
templates/account/login.html
--- 
+++ 
@@ -1,9 +1,9 @@
-{% extends "app/base.html" %}
+{% extends "base.html" %}
 {% load widget_tweaks %}
 {% load allauth account %}
-{% block content %}
+{% block base_content %}
 <main class="max-w-lg mx-auto mt-10">
   <div class="flex flex-col bg-gray-800 text-white p-6 lg:p-16 rounded-md">
     <div class="flex flex-col text-center">
@@ -51,4 +51,4 @@
     </form>
   </div>
 </main>
-{% endblock content %}+{% endblock base_content %}
templates/account/signup.html
                    --- 
+++ 
@@ -4,7 +4,7 @@
 {% load widget_tweaks %}
-{% block content %}
+{% block base_content %}
 <main class="max-w-7xl mx-auto mt-10 lg:mt-20">
   <div class="flex flex-col items-center lg:flex-row lg:items-start space-y-6">
     <div class="basis-3/5 lg:mt-10">
@@ -77,4 +77,4 @@
     </div>
   </div>
 </main>
-{% endblock content %}+{% endblock base_content %}