Category: CSS Question And Answer

The main difference between CSS3 and CSS2 is that CSS divides different sections into modules and supports many browsers. It also contains new General Sibling Combinators responsible for matching similar elements. 

The CSS box model defines the layout and design of CSS elements. The elements are content (like text and images, padding (the area around content), border (the area around padding), and margin (the area around the border). 

The ruleset is used for the identification of selectors, which can be attached with other selectors. The two parts of a ruleset are:

A universal selector is a selector that matches any element type’s name instead of selecting elements of a particular type.  Example:  <style>     * {        color: blue;        font-size: 10px;     }      </style>    

CSS frameworks are libraries that make web page styling easier. Some of them are Foundation, Bootstrap, Gumby, Ukit, Semantic UI, etc.