from ironpdf import *
 
renderer = ChromePdfRenderer()

# Set Margins (in millimeters)
renderer.RenderingOptions.MarginTop = 40
renderer.RenderingOptions.MarginLeft = 20
renderer.RenderingOptions.MarginRight = 20
renderer.RenderingOptions.MarginBottom = 40

renderer.RenderHtmlFileAsPdf("my-content.html").SaveAs("my-content.pdf")