extending templates

templates/base.html

{% load static %}<!DOCTYPE html>
<html>
  <head>
    <meta charset="utf-8">
    <title>{% block title %}Django Boards{% endblock %}</title>
    <link rel="stylesheet" href="{% static 'css/bootstrap.min.css' %}">
  </head>
  <body>
    <div class="container">
      <ol class="breadcrumb my-4">
        {% block breadcrumb %}
        {% endblock %}
      </ol>
      {% block content %}
      {% endblock %}
    </div>
  </body>
</html>

templates/home.html

{% extends 'base.html' %}

{% block breadcrumb %}
  <li class="breadcrumb-item active">Boards</li>
{% endblock %}

{% block content %}
  <table class="table">
    <thead class="thead-inverse">
      <tr>
        <th>Board</th>
        <th>Posts</th>
        <th>Topics</th>
        <th>Last Post</th>
      </tr>
    </thead>
    <tbody>
      {% for board in boards %}
        <tr>
          <td>
            <a href="{% url 'board_topics' board.pk %}">{{ board.name }}</a>
            <small class="text-muted d-block">{{ board.description }}</small>
          </td>
          <td class="align-middle">0</td>
          <td class="align-middle">0</td>
          <td></td>
        </tr>
      {% endfor %}
    </tbody>
  </table>
{% endblock %}