A CSS Syntax rule consists of a selector, property, and its value. The selector points to the HTML element where the CSS style is to be applied. The CSS property is separated by semicolons. It is a combination of the selector name followed by the property: value pair that is defined for the specific selector. let us see the syntax and how we can use the CSS to modernize the website.

selector {
   property1: value1;
   property2: value2;
   ...
   property-n: value-n;
}