| Features | CSS | SCSS | 
|---|
| Definition | CSS is a scripting language that is used to develop a web page. | The more advanced variant of CSS is SCSS. It is a pre-processor language that is compiled or interrupted into the CSS. | 
| Functions | It contains common functions. | It contains more advanced features. | 
| Code | It uses an extensive line of codes. | It uses fewer lines in its code than the CSS. | 
| Nesting Rules | Nested rules are not assisted in Regular CSS. | It promotes properly nested rules. | 
| Language uses | It widely used the HTML and JavaScript languages. | It is commonly used in the Ruby language. | 
| Design | It is the styling language that is used to style and create web pages. | It is a special type of file for the SASS program written in the Ruby language. |