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:
Comments are used to explain your code, and may help you when you edit the source code at a later date. Comments are ignored by browsers.
A CSS comment begins with “/*”, and ends with “*/”, like this:
/*This is another comment*/