{% load static %}
<!DOCTYPE html>
<head>
<link rel="stylesheet" href="https://cdn.jsdelivr.net/npm/bootstrap@5.1.3/dist/css/bootstrap.min.css" integrity="sha384-1BmE4kWBq78iYhFldvKuhfTAU6auU8tT94WrHftjDbrCEXSU1oBoqyl2QvZ6jIW3" crossorigin="anonymous">
<link rel="stylesheet" href="{% static 'css/blog.css' %}">
</head>
<body>second second
<div class="container">
this now works
</div>
</html>
#the stylesheet is located in static/css/blog.css