Solving Cascade from csictf CTF 2020

This was an introductory challenge. I was presented with the following web page which was located at following

1

http://chall.csivit.com:30203/

The first thing we can do is to check the source code of the page to see if there are any hidden keys or information lurking around. This can be easily done by right clicking on the page and selecting View Page Source options in FireFox browser.

Source code for the page contained following data.

CSS files are usually of not much importance but this time around I checked for "/static/style.css". Upon clicking on that page I was directed to the content of CSS file which in turned gave me the Flag.

Thanks for reading!!