how to load static files in css code example
Example 1: django cannot update static css
<link rel='stylesheet' type='text/css' href="{% static 'css/yourname.css' %}?20181209">
Example 2: static css in django
{% load static %}
{% load i18n %}
{% load widget_tweaks %}
<!DOCTYPE html>
<html>
<head>
<style>
{% include "path/to/custom_styles_1.css" %}
</style>
<link rel="stylesheet" href="{% static 'css/custom_styles_2.css' %}">
</head>
<body>
<!-- Your HTML body -->
</body>
</html>