Styling is the process of binding visual metadata to a document.
Styling rules can be defined within the document or via an external stylesheet.
References:
- https://www.w3.org/TR/html401/present/styles.html
- https://developer.mozilla.org/en-US/docs/Learn/HTML/Forms/Styling_HTML_forms
- https://en.wikipedia.org/wiki/Style_sheet_(web_development)
- https://www.quackit.com/html/tutorial/html_styles.cfm
- https://cssnewbie.com/six-ways-to-use-css-with-html/#.XN1PTMgzaUk
