What are some of the challenges that could arise from setting up a file management system on a computer?

One challenge is that arranging things in simple folders creates a limited structure that obstructs the way that would perfectly suit your needs. Any information that is dependent on those folders can easily get lost by removing as much as a simple image from that folder, in the events that the information is dependent on the folder structure.

Css3 is the latest evolution of the cascading style sheets language and aims at extending css2.1. it brings a lot of new features and additions, like rounded corners, shadows, gradients, transitions or animations, as well as new layouts like multi-columns, flexible box or grid layouts.credits to medium for making this answer credits to google for copying this answercredits to me for putting this answer on your question