CSS selectors

CSS selectors

Selectors are important role for using CSS (Cascading Style Sheets) on web design.
Typically most common and widely selectors could been divided into 5 categories.

• Types of selector Class
  ID, Universal and Pseudo-classes can be used to target different
  elements in HTML.
• Class Selectors
  Classes can be applied to as many elements as you want, and CSS
  can be used to target them.
• ID Selectors
  An ID can only be applied to one element in a document, and can be
  combined with classes.
• Descendant Selectors
  Descendant selectors can be used to target elements based on the
  ancestors, for example a <h2> inside a <div> with a class of planet
• Pseudo-Classes
  Pseudo-classes can be used to style elements based on user
  interaction, for example a link that has been visited.