This page needs a real server connection to check your login — double-clicking the file won't work.
Locally: run node scripts/portal-server.js, then open http://localhost:8888/portal/agreement-print.html.
Remotely: go to baselinecoaching.co.uk/portal/agreement-print.html and log in.
In the print dialog: "Save as PDF" · margins "None" or "Minimum" · enable "Background graphics".