How do you edit vertical spacing on nav symbols

I am busy creating a slider with thumbnails and in responsive I have set the nav symbols to wrap, but I cannot control the vertical spacing between them, any ideas?

On blog posts template

Here is my site Read-Only: LINK
(how to share your site Read-Only link)


Is that what you talking about?

If so… select the “Link Block 2” and some bottom margin - like in the attach video.

Thanks for your help.