1. cascading style sheets
2.CSS was created for the stlye and formatting of a html website
3. There are 3 ways to insert styles into css. first one is the externeal style sheet this one allows you to change the entire look of the website with one click. second one internal style sheet this is a more in depth and can be used for to edit or change the style of a single page. third one is inline styles these are to change and individual line or phrase.
Inline styles are good for small little lines but when it comes to big lines and even pages there not good because it will take to long to do. There really just meant for small lines.