Multiple CSS declarations are separated with semicolons, and declaration blocks are surrounded by curly braces. In this example all <p> elements will be center-aligned, with a red text color: p is a selector in CSS (it points to the HTML element you want to style: <p>).

Mar 5, 2025 · 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. They include everything from the at-keyword up to the next semicolon, ; (U+003B SEMICOLON), or the next CSS block, whichever comes first.

Mar 22, 2025 · Cascading Style Sheets (CSS) is a stylesheet language used to describe the presentation of a document written in HTML or XML (including XML dialects such as SVG, MathML or XHTML). CSS describes how elements should be rendered on screen, on paper, in speech, or on other media.

Jan 14, 2025 · A CSS ruleset is the foundation of how styles are applied to HTML elements on a web page. It consists of a selector and one or more declarations, which define how elements are displayed. A CSS ruleset is made up of a selector and declarations. The selector targets HTML elements to apply styles.

This CSS tutorial contains hundreds of CSS examples. With our online editor, you can edit the CSS, and click on a button to view the result.

6 days ago · A selector list and an associated declarations block, together, are called a ruleset, or often a rule. A CSS ruleset (or rule) is visualized in the diagram below.

Oct 12, 2020 · In this tutorial you examined all the components that are needed to write a complete CSS rule, including the selector, declaration block, properties, and values. In the next tutorial, you will add multiple properties to a CSS rule and create different CSS rules for a single HTML document.

CSS at-rules are statements that instruct CSS on how to behave. Each at-rule begins with an @ followed by a name. The table below shows the different at-rules in CSS: Allows you to define custom CSS properties directly in the stylesheet without having to run any JavaScript.

Jun 15, 2014 · CSS rules have to be specified inside either a style element or inside an external CSS file. This tutorial explains what CSS properties and CSS rules are, and how you declare them.

Mar 4, 2024 · Looking to master CSS rules? Delve into our comprehensive guide, breaking down the basics and unveiling the secrets of CSS.