CSS, also known as Cascading Style Sheets has gained a lot of importance and popularity in recent years. It not only simplifies the entire procedure but it won’t be wrong is we say that it has some unique advantages over other developing tools. CSS can be considered the most flexible web development tool. We all know that one thing that really annoys a user is slow downloading speed. With the help of CSS a website does not take much time to load hence improving the ranking of the status.