CSS (Cascading Style Sheet)

One important lesson in comp-sci 1 is CSS.

CSS, or Cascading Style Sheet, deals with the presentation domain of designing your documents. You would want CSS to design your webpage.
 why:

Source: http://smashinghub.com/

• much richer document presentation
• possible to use same style on multiple pages
• decreases page size
• reduction of workload, and
• if HTML is for content, then CSS is for presentation.

There are 3 implementations of CSS.
They are:

1. In line
2. Embedded/Internal, and
3. External

CSS has 4 selectors which are the Element, Class, ID, and Pseudo Selectors which are useful for selecting tagged element.