<!DOCTYPE html> <html> <head> <meta charset="UTF-8"> <title>Hello World!</title> <meta http-equiv="Content-Security-Policy" content="script-src 'self' 'unsafe-inline';" /> </head> <body> <h1>Hello World!</h1> <p>Hit Alt+Shift+I on Windows, or Opt+Cmd+I on mac to see a message printed to the console.</p> </body> </html>