The CSS stands for Cascading Style Sheets, a sheet language used to describe formatting of documents written in the Markup languages, a programming language. It is designed to improve the accessibility of information contained in any document. Hacking on the other hand is modifying a program to function in an expanded sense, but this can also mean using the program as the owner may not have intended. Hacking therefore as known by many is a negative feature but it has a positive side to it. This is applied in solving computer problems.