Option 1:
Download Opera Browser and use it ONLY to save page as PDF, works great preserving format
Option 2:
Download Chrome Extension called PDF Mage
Official Web: https://pdfmage.org
https://chrome.google.com/webstore/detail/pdf-mage/gknphemhpcknkhegndlihchfonpdcben
Personal Opinion: Use Option 2 🙂
