How the blog looks (https://srigowri.github.io/travel-blog/)
I have made use of the following two themes, Bef for the front page and few posts Jekyll Modern Blog for most of the posts.
Do check out the following links for demo of the original themes. Bef is a responsive jekyll theme (https://artemsheludko.github.io/bef/) Jekyll Modern Blog (http://inded.github.io/Jekyll_modern-blog/)