What is CSS?
The Cascading Style Sheets (CSS) is the language to style an HTML document. CSS describes how HTML elements should be displayed on a web page.
Below is an instruction that describes a task, paired with an input that provides further context. Write a response that appropriately completes the request.
### Instruction: What is CSS?
### Input: 
### Response: The Cascading Style Sheets (CSS) is the language to style an HTML document. CSS describes how HTML elements should be displayed on a web page.