What are the three types of CSS?

As a domain expert in web development, I can tell you that CSS, which stands for Cascading Style Sheets, is a stylesheet language used for describing the presentation of a document written in HTML or XML. CSS is a cornerstone technology for building visually engaging web pages and applications. There are three primary types of CSS: 1. External CSS: This is when the CSS is defined in a separate file, typically with a `.css` extension. The file is then linked to the HTML document using a `` tag in the `` section of the document. External CSS is beneficial for maintaining consistency across multiple pages and is easier to update since you only need to change the CSS file, not each individual HTML file. 2. Internal CSS: Also known as embedded CSS, this type is used when the CSS is included within the HTML document itself, usually within a `