Broke my header. Please help

https://naturalhouseremedy.com/

This is my website. When i installed this plugin, it broke my header and also destroyed my logo.
In admin panel, i have logo uploaded, but doesn’t show up on website.
Secondly, The text in the slider has turned white.

Can you please tell me, where does this plugin make the changes?

https://www.ads-software.com/extend/plugins/auto-excerpt-everywhere/