Task 1: Work on design-cleanup

Task 1: Work on design-cleanup branch in qwinix/gophercon

* Remove the tiles and make it look similar to the old one.
* Modify the inner page background to have a same grey used in landing page
* Need to revise the fonts (Refer - https://github.com/gopherconindia/gopherconindia.github.io/issues/31)
* Bug - not able to copy text in inner pages (Refer - https://github.com/gopherconindia/gopherconindia.github.io/issues/29)
* “WHAT IS GOPHERCON INDIA” Section : align the gopher logo to the text and increase the margin left and right.