A web page is made up by the web browser interpreting three languages: html, css and javascript.
Each language has its purpose in the rendering a web page. The html acts like a noun, css takes a role of adjective and javascript can be considered as verb.

Nouns.

A paragraph tag.

<p></p>

Adjectives.

Paragraph text is red.

p { color: red }

Verbs.

Hide the paragraph.

p.hide();