Removing posts content(few words) on the front page

Hello,

Your thema is great and i like it!
But i don’t know how to change one thing.

All posts which appear on the site main feed has a title and a few words of content (only in big screen. In mobile version there are no content text). I want to get rid of the content text in main feed.

Problem is here: https://www.hot.ee/raiteino//sample-post.png

Hope you understand and can help me.
Thanks!