What is a Selector and how it is used in CSS?

A selector is an HTML tag at which a style is applied. This could be any tag like <h1> or <table> etc.

The following figure describes what a Selector is:

Let us see an example of Type Selector, to set color:

h1 {
   color: #36CFFF;
Lakshmi Srinivas
Lakshmi Srinivas

Programmer / Analyst / Technician