The CSS selector of an element which will be inserted into the document when the document is ready for PDF rendering. Optional timeout can be specified in ms, defaulting to 5000ms.

When using default_css in the CreatePDF (), the generative pdf will blank. PDF not taking any html content. result = pisa_status = pisa.CreatePDF (html, dest=f, default_css=default_css) also ...

Use this handy, simplified guide to quickly learn HTML and CSS -- a foundation of modern web development.