The CSS Syntax
Clear and simple identification of the many parts of a css declaration.
A CSS rule has two main parts: a selector, and one or more declarations:
The selector is normally the HTML element you want to style.
Each declaration consists of a property and a value.
The property is the style attribute you want to change. Each property has a value.
A CSS declaration always ends with a semicolon, and declaration groups are surrounded by curly brackets: