How to increase the separation between posts exerpts on blog page

HI
I am using sydney and it looks fine.
I have one question I did not find in the forum :

how to increase the separation between posts excerpts on the blog page (line, color and width)
now there is a short red line, I would like to make it longer and wider
thanks

odaile.nusi.fr

Hi,

Please try this CSS code to increase the width of the post separator in blog page:

.content-area .hentry:after {
    width: 100%;
}

You can add the code in: Customize > Additional CSS

Regards,
Awan

it works great.
thanks