I accidently changed my website theme and identity

Yea, I changed my website them and identity. I didn’t know THIS would happen. Basiaclly it took me 2 days to find out how to read my posts on this theme. But I found out how!!!!! Basiacly at the top of my page (which looks diffrent there is 3 lines) here is a screen shot of how to do it

so you click on that

And click on that and then ya can see my posts!