<!DOCTYPE html5> <html> <head> {% import "header.html" as header %} <title>Flasksite</title> <meta charset="UTF-8"> <meta name="viewport" content="width=device-width, initial-scale=1.0"/> <link rel="stylesheet" href="/static/css/common.css"> <style> </style> </head> <body> {{header.make_header(session=session)}} <div id="content_body"> <p>test</p> </div> </body> <script type="text/javascript"> </script> </html>