Add css in html file

- Add css in same html file
- Add css style in html file
- Add css code in html file
- Add css into html file
- Add css link to html file
- How to add external css in html file
- How to add css class in html file
- Add css and js file in html
- How to add css file in html externally
- How to add css file in html using javascript
- How to add css file in html in vs code