in this video you will types of css.
External CSS:
External CSS is a stylesheet that is stored in a separate file and linked to an HTML document. It allows web developers to define styles that can be applied across multiple web pages, making it easier to maintain a consistent look and feel across a website. External CSS is loaded once by the browser and cached, which can improve page load times for subsequent requests. To use external CSS, developers define selectors and apply styles to those selectors within the external CSS file.
Internal CSS:
Internal CSS is defined within the head section of an HTML document using the style tag. It allows web developers to define styles that are specific to a particular HTML page. Internal CSS is loaded with the HTML document and is only applicable to the page it is defined on. To use internal CSS, developers define selectors and apply styles to those selectors within the style tag.
Inline CSS:
Inline CSS is defined directly within the HTML element using the style attribute. It allows web developers to apply styles to specific HTML elements on a page. Inline CSS takes precedence over external and internal CSS, but can make it harder to maintain consistent styling across a website since styles are defined on a per-element basis. To use inline CSS, developers define styles directly within the HTML element using the style attribute