What is Rule Rule CSS?

At-rules are CSS statements that instruct CSS how to behave. They begin with an at sign, ‘ @ ‘ ( U+0040 COMMERCIAL AT ), followed by an identifier and includes everything up to the next semicolon, ‘ ; ‘ ( U+003B SEMICOLON ), or the next CSS block, whichever comes first.

What is a rule set in style CSS?

A rule or “rule set” is a statement that tells browsers how to render particular elements on an HTML page. A rule set consists of a selector followed by a declaration block.

How do you add a rule in CSS?

Create a CSS rule

Place the insertion point in the document, and then do one of the following to open the New CSS Rule dialog box:
In the New CSS Rule dialog box, specify the selector type for the CSS rule you want to create:
Select the location in which you want to define the rule, and then click OK:

What is the correct syntax for CSS?

The selector points to the HTML element you want to style. The declaration block contains one or more declarations separated by semicolons. Each declaration includes a CSS property name and a value, separated by a colon.

What is an example for declaration in CSS?

A CSS rule set contains one or more selectors and one or more declarations. The selector(s), which in this example is h1 , points to an HTML element. The declaration(s), which in this example are color: blue and text-align: center style the element with a property and value.

What is an example of CSS rule sets?

CSS Rule Sets A CSS rule set contains one or more selectors and one or more declarations. The selector(s), which in this example is h1 , points to an HTML element. The declaration(s), which in this example are color: blue and text-align: center style the element with a property and value.

Where to put style sheet rules in HTML?

Internal Style Sheet. If you want to apply Style Sheet rules to a single document only, then you can include those rules in header section of the HTML document using

How to create an internal style sheet in HTML?

Internal Style Sheet If you want to apply Style Sheet rules to a single document only, then you can include those rules in header section of the HTML document using

When to use the at rule in CSS?

The @import CSS at-rule is used to import style rules from other style sheets. Is a or a () representing the location of the resource to import. The URL may be absolute or relative. Is a comma-separated list of media queries conditioning the application of the CSS rules defined in the linked URL.

How to import a style sheet in CSS?

The @import CSS at-rule is used to import style rules from other style sheets. Syntax @import url ; @import url list-of-media-queries ; @import url supports ( supports-query ) ; @import url supports ( supports-query ) list-of-media-queries ;