Change the footer color and excerpt not showing.

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Hi,
I've started using this theme, the best free theme available for Ghost. You are much appreciated for the development of this!

Footer

So the footer has the color blue, and I could not find a footer.css file where I can modify its color.
Would be lovely if you'd have a solution for this.
Check footer

Excerpt

Also when going to the homepage, I notice that the excerpt is not showing. Take an example for the theme: ruby. This has about the same tiles and does contain the excerpt or the top of the blog post.
How would I enable this? And/or would be a great part of the theme.
ruby preview

Thank you for reading, hopefully, there is a solution soon.

Kind regards,

Xatt.

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I was able to change the color of the footer in the following file:

ghost/content/themes/liebling/assets/css/app.css

• Footer color
• Excerpt
  Only the excerpt is still standing.