Syntax

A CSS rule set contains a selector and a declaration block.

Selector{Property1: value1; Property2: value2; ..........;}

• Selector: Selector indicates the HTML element you want to style. It could be any tag like <h1>, <title> etc.
• Declaration Block: The declaration block can contain one or more declarations separated by a semicolon. For the above example, there are two declarations:
  1. color: yellow;
  2. font-size: 11 px;

Each declaration contains a property name and value, separated by a colon.

• A Property:Property is a type of attribute of HTML element. It could be color, border etc.
• Value: Values are assigned to CSS properties. In the above example, value "yellow" is assigned to color property.