Howto display related posts after post-content and after tagline

Dear Keesie,

first of all thank you for your great plugin, your support and tutorials on your site from which I have benefited a lot. I have integrated your custom template and format for “thumbnail_excerpt” and tinkered some css around it.

Only one problem: The theme I am editing is Sparkling & Sparkling Child theme from Colorlib. After the post content there is a tagline which sits in a div called footer. The related posts unfortunately appear inbetween the post-content and that tagline. But I would need the related posts to appear AFTER the tagline. Could you help me achieve that or give me some hints?

For reference: This was your tutorial
(https://keesiemeijer.wordpress.com/related-posts-by-taxonomy/templates/)

This is a random post on my site:
https://www.vezvez.org/2017/07/23/ueber-diesen-blog/

Kind regards from Rotterdam ??