<!DOCTYPE html> <html> <head> <meta charset="UTF-8"> <title>Hello World!</title> <meta http-equiv="Content-Security-Policy" content="script-src 'self' 'unsafe-inline';" /> <link rel="stylesheet" type="text/css" href="./styles.css"> </head> <body> <h1>Hello World!</h1> <p> Click on the title with the <pre>Command</pre> or <pre>Control</pre> key pressed. You should see a popup with the represented file at the top. </p> </body> </body> </html>