Creating a diagonal line/section/border with CSS

Question

I am trying to create a diagonal line on a webpage, to act as a section/section break. This is essentially a split colour section. I cant use an image as if the page gets en

Answer 1

if you want to put diagonal border in column you can do it this way and its 100% responsive. your requirement might be different though. I put it transparent image which contains white diagonal border in that section's right column.

https://codepen.io/neel555nc/pen/LgjoOg