CSS

CSS (short for Cascading Style Sheets, Creating Stupid Stuff, or Central Security Service) is a programming language that users can use to make pages awful. Users familiar with CSS can do a lot of things (including making things look like other things).

Heading
This is a heading. It is used to separate sections of a page. Paragraph that looks like a heading This paragraph looks like a heading. But how? Well, you just type this code:

The  style creates a border below the paragraph and sets it to a color similar to the heading's border. The  style sets the paragraph's font to the default serif font (which looks like the font used by the heading). sets the font size to 22 pixels (a similar size to the heading).

Subheading
Subheadings are used to separate headings of a page. Paragraph that looks like a subheading The following code makes paragraphs look like subheadings:  The   property sets the font weight to bold (the font weight of the subheadings). The  style should be changed depending on the size of the subheading (17 pixels is the size of the Level 3 subheading).