Universal Selector

A universal selector (*) selects all elements in a document. For example, the below style rule will make the text of every element in the document red.

css3 universal selector 
				
				* {color:red;}

The concept of CSS reset highlighted by Andrew Krespanis back in 2004 make use of the universal selector to set the margin and padding of all elements in a page to 0.

				
				* {
				  margin: 0;
				  padding: 0;
				}

Universal selector can also be used as a contextual selector. In the example below, the descendants of all ul elements are selected and their font-sizes set to 12px.

				
				ul * {font-size:12px;}

Also, it can be used in the selection all elements with the same class name. Here, all elements with the class name redtext are selected

				
				*.redtext {color:red;}

This, however, has the same effect as

				
				.redtext {color:red;}

Likewise, the selection *#some-id gives the same effect as #some-id.