Separator on the Lightbox

I would like to have different sections in my Lightbox.
There are separators between fields, but I want them to be more distinguishable. Like a bold


Can I add a different kind of separator between my fields ?

Thank you for your answers,


You need to change default css styles, for example:

Hello Polina,
Thank you for your answer.
With your solution, I can only change style for every separator. Can I create a CSS class with only few separators in it ?
The aim is to create multiple sections in the Lightbox.

Unfortunately no.
If you want to set different styles for separators, try to use :nth-child() css selector:

Hello Polina,
I finally managed to have something by using this doc :

But I will try your solution as well, thank you.