Primer CSS Subhead Last Updated : 28 May, 2025 Comments Improve Suggest changes Like Article Like Report Primer CSS is a free open-source CSS framework that is built upon systems that create the foundation of the basic style elements such as spacing, typography, and color. This systematic method makes sure our patterns are steady and interoperable with every other. Its approach to CSS is influenced by Object-Oriented CSS principles, functional CSS, and BEM architecture. It is highly reusable and flexible. It is created with GitHub’s design system.Primer CSS Subhead is a container that has a light gray bottom border. We can use Subhead-heading class to create the heading of Subhead. We can use other classes like Subhead-description, Subhead-actions, Subhead--spacious, etc. Primer CSS Subhead Classes:Subhead: This class is used to create the subhead.Subhead-heading: This class is used to create the heading of the subhead.Subhead--spacious: This class is used to create the subhead with a top margin.Subhead-description: This class is used to provide a description.Subhead-actions: This class is used to create the subhead with action buttons.Subhead-heading--danger: This class is used to create the danger subhead.Syntax:<div class="Subhead"> <h2 class="Subhead-heading"> ... </h2> ...</div>Example 1: This example demonstrates the implementation of the Primer CSS Subhead using Subhead, Subhead-heading, and Subhead-description classes. HTML <!DOCTYPE html> <html> <head> <title> Primer CSS Subhead </title> <link rel="stylesheet" href= "https://unpkg.com/@primer/css@^18.0.0/dist/primer.css" /> </head> <body> <div class="text-center"> <h1 class="color-fg-success"> GeeksforGeeks </h1> <h3> Primer CSS Subhead </h3> <br> <div class="Subhead"> <h2 class="Subhead-heading"> GFG Plain Subhead with description </h2> <div class="Subhead-description"> A Computer Science portal for geeks. </div> </div> </div> </body> </html> Output:Primer CSS SubheadExample 2: This example demonstrates the implementation of the Primer CSS Subhead using Subhead--spacious, Subhead-actions, and Subhead-heading--danger classes. HTML <!DOCTYPE html> <html> <head> <title> Primer CSS Subhead </title> <link rel="stylesheet" href= "https://unpkg.com/@primer/css@^18.0.0/dist/primer.css" /> </head> <body class="m-2"> <div class="text-center"> <h1 class="color-fg-success"> GeeksforGeeks </h1> <h3> Primer CSS Subhead </h3> <br> <div class="Subhead Subhead--spacious"> <h2 class="Subhead-heading Subhead-heading--danger"> GFG Spacious Subhead </h2> <div class="Subhead-actions"> <a href="#url" class="btn btn-sm btn-primary"> GeeksforGeeks </a> </div> </div> </div> </body> </html> Output:Primer CSS Subhead Comment More infoAdvertise with us Next Article Primer CSS Timeline singh_teekam Follow Improve Article Tags : Web Technologies CSS Primer-CSS Primer-CSS Component Similar Reads Primer CSS Primer CSS is a free open-source CSS framework built with the GitHub design system to support the broad spectrum of Github websites. It creates the foundation of the basic style elements such as spacing, typography, and color. This systematic method makes sure that our patterns are steady and intero 3 min read Primer CSS Introduction Primer CSS is a free open-source CSS framework that is built with the GitHub design system to provide support to the broad spectrum of Github websites. It creates the foundation of the basic style elements such as spacing, typography, and color. This systematic method makes sure our patterns are ste 4 min read Primer CSS UtilityPrimer CSS AnimationsPrimer CSS is a free open-source CSS framework that is built upon systems that create the foundation of the basic style elements such as spacing, typography, and color. This systematic method makes sure our patterns are steady and interoperable with every other. Its approach to CSS is influenced by 4 min read Primer CSS BordersPrimer CSS is a free and open-source CSS framework. It is built upon the systems that create the foundation of the basic style elements such as spacing, typography, and color. Created with GitHubâs design system, it is highly reusable and flexible.Primer CSS Borders is a utility class that applies b 3 min read Primer CSS Box shadowPrimer CSS is a free open-source CSS framework that is built upon systems that create the foundation of the basic style elements such as spacing, typography, and color. This systematic method makes sure our patterns are steady and interoperable with every other. Its approach to CSS is influenced by 4 min read Primer CSS ColorsPrimer CSS is a free open-source CSS framework that is built upon systems that create the foundation of the basic style elements such as spacing, typography, and color. This systematic method makes sure our patterns are steady and interoperable with every other. It is highly reusable and flexible. I 7 min read Primer CSS DetailsPrimer CSS is a free open-source CSS framework that is built upon a GitHub design system to provide support to the broad spectrum of GitHub websites. It creates the foundation of the basic style elements such as spacing, typography, and color. This systematic method makes sure our patterns are stead 2 min read Primer CSS FlexboxPrimer CSS is a free open-source CSS framework based on principles that set the foundation for basic design elements like spacing, typeface, and color. This rigorous approach ensures that our patterns are consistent and interoperable.Primer CSS Flexbox:Flex container: Flex Container is used to make 6 min read Primer CSS GridPrimer CSS is a free open-source CSS framework that is built with the GitHub design system to provide support to the broad spectrum of Github websites. It creates the foundation of the basic style elements such as spacing, typography, and color. This systematic method makes sure that our patterns ar 4 min read Primer CSS LayoutPrimer CSS is a free and open-source CSS framework. It is built upon the systems that create the foundation of the basic style elements such as spacing, typography, and color. Created with GitHubâs design system, it is highly reusable and flexible.Primer CSS Layout is used to change the document lay 2 min read Primer CSS MarginPrimer CSS is a free and open-source CSS framework that is built using the GitHub design system for providing support to the broad spectrum of GitHub websites. It helps in creating the foundation of the basic style elements such as spacing, components, typography, color, etc.In this article, we'll s 3 min read Primer CSS PaddingPadding is used to create space around the element, inside any defined border. We can set different padding for individual sides(top, right, bottom, left). It is important to add border properties to implement padding properties.Primer CSS Padding:Shorthand: Padding has many variations, that can be 3 min read Primer CSS TypographyPrimer CSS is a free open-source CSS framework that is built upon a GitHub design system to provide support to the broad spectrum of GitHub websites. It creates the foundation of the basic style elements such as spacing, typography, and color. This systematic method makes sure our patterns are stead 5 min read Primer CSS ComponentsPrimer CSS AlertsPrimer CSS is a free open-source CSS framework that is built upon systems that create the foundation of the basic style elements such as spacing, typography, and color. It is highly reusable and flexible. It is created with GitHubâs design system.Alerts are used to signify an important message to th 3 min read Primer CSS AutocompletePrimer CSS is a free open-source CSS framework that's created upon systems that make the insights of the essential style elements like spacing, typography, and color. This methodical system makes sure its patterns are steady and interoperable with every other. It's largely reusable and adaptable. Â I 3 min read Primer CSS AvatarsPrimer CSS is a free open-source CSS framework that's built upon systems that make the inspiration of the essential style elements like spacing, typography, and color. This systematic method makes sure its patterns are steady and interoperable with every other. it's highly reusable and versatile. Â I 4 min read Primer CSS BlankslatePrimer CSS is a free and open-source CSS framework. It is built upon the systems that create the foundation of the basic style elements such as spacing, typography, and color. Created with GitHubâs design system, it is highly reusable and flexible. Primer CSS Blankslate is used as a placeholder when 5 min read Primer CSS Box OverlayPrimer CSS is a free open-source CSS framework that is built upon systems that create the foundation of the basic style elements such as spacing, typography, and color. This systematic method makes sure our patterns are steady and interoperable with every other. Its approach to CSS is influenced by 2 min read Primer CSS Branch namePrimer CSS is a free open-source CSS framework that is built upon systems that create the foundation of the basic style elements such as spacing, typography, and color. This systematic method makes sure our patterns are steady and interoperable with every other. Its approach to CSS is influenced by 2 min read Primer CSS BreadcrumbsPrimer CSS is a free open-source CSS framework that is built upon systems that create the foundation of the basic style elements such as spacing, typography, and color. It is highly reusable and flexible. It is created with GitHubâs design system.Primer CSS offers us so many components, and Breadcru 2 min read Primer CSS ButtonsPrimer CSS is a free open-source CSS framework that is built upon systems that create the foundation of the basic style elements such as spacing, typography, and color. This systematic method makes sure our patterns are steady and interoperable with every other. Its approach to CSS is influenced by 2 min read Primer CSS DropdownPrimer CSS is a free and open-source CSS framework that is built using the GitHub design system for providing support to the broad spectrum of GitHub websites. It helps in creating the foundation of the basic style elements such as spacing, components, typography, color, etc.Dropdowns are lightweigh 4 min read Primer CSS FormsPrimer CSS is a free and open-source CSS framework. It is built upon the systems that create the foundation of the basic style elements such as spacing, typography, and color. Created with GitHubâs design system, it is highly reusable and flexible.Primer CSS Forms provide different components for in 6 min read Primer CSS HeaderPrimer CSS is a free open-source CSS framework that is built upon a GitHub design system to provide support to the broad spectrum of GitHub websites. It creates the foundation of the basic style elements such as spacing, typography, and color. This systematic method makes sure our patterns are stead 3 min read Primer CSS LabelsPrimer CSS is a free open-source CSS framework that is built upon systems that create the foundation of the basic style elements such as spacing, typography, and color. This systematic method makes sure our patterns are steady and interoperable with every other. Its approach to CSS is influenced by 3 min read Primer CSS LinksPrimer CSS is a free and open-source CSS framework. It is built upon the systems that create the foundation of the basic style elements such as spacing, typography, and colour. Created with GitHubâs design system, it is highly reusable and flexible.Primer CSS Links are used to decorate links in the 3 min read Primer CSS LoadersPrimer CSS is a free open-source CSS framework that is built upon systems that create the foundation of the basic style elements such as spacing, typography, and color. This systematic method makes sure our patterns are steady and interoperable with every other. Its approach to CSS is influenced by 2 min read Primer CSS MarkdownPrimer CSS is a free open-source CSS framework built with the GitHub design system to support the broad spectrum of Github websites. It creates the foundation of the basic style elements such as spacing, typography, and color. This systematic method makes sure that our patterns are steady and intero 3 min read Primer CSS NavigationPrimer CSS is a free open-source CSS framework that is formed upon systems that establish the foundation of the basic style elements such as spacing, typography, and color. This systematic structure ensures our patterns are stable and interoperable with every other. Its approach to CSS is inspired b 6 min read Primer CSS PaginationPrimer CSS is a free open-source CSS framework that is built upon systems that create the foundation of the basic style elements such as spacing, typography, and color. This systematic method makes sure our patterns are steady and interoperable with every other. Its approach to CSS is influenced by 2 min read Primer CSS PopoverPrimer CSS is a free open-source CSS framework that is built upon a GitHub design system to provide support to the broad spectrum of GitHub websites. It creates the foundation of the basic style elements such as spacing, typography, and color. This systematic method makes sure our patterns are stead 5 min read Primer CSS ProgressPrimer CSS is a free open-source CSS framework that is built upon the GitHub design system to provide support to the broad spectrum of Github websites. It creates the foundation of the basic style elements such as spacing, typography, and color. This systematic method makes sure our patterns are ste 4 min read Primer CSS Select menuPrimer CSS is a free open-source CSS framework built on principles that establish the foundation for basic design elements including spacing, typeface, and color. Our patterns will be consistent and compatible as a result of this method. Its CSS approach is influenced by object-oriented CSS concepts 4 min read Primer CSS SubheadPrimer CSS is a free open-source CSS framework that is built upon systems that create the foundation of the basic style elements such as spacing, typography, and color. This systematic method makes sure our patterns are steady and interoperable with every other. Its approach to CSS is influenced by 2 min read Primer CSS TimelinePrimer CSS is a free open-source CSS framework that is built upon the GitHub design system to provide support to the broad spectrum of Github websites. It creates the foundation of the basic style elements such as spacing, typography, and color. This systematic method makes sure our patterns are ste 7 min read Primer CSS ToastsPrimer CSS is a free open-source CSS framework that is built upon systems that create the foundation of the basic style elements such as spacing, typography, and color. This systematic method makes sure our patterns are steady and interoperable with every other. Its approach to CSS is influenced by 3 min read Primer CSS TruncatePrimer CSS is a CSS framework that comes with pre-styled components and a design language with spacing, typography, and Theming that helps in building a website effectively. This systematic method makes sure our patterns are steady and interoperable with every other. It is created with GitHubâs desi 2 min read Primer CSS MarketingPrimer CSS Marketing ButtonsPrimer CSS is a free open-source CSS framework that is built upon systems that create the foundation of the basic style elements such as spacing, typography, and color. It is highly reusable and flexible. It is created with GitHubâs design system.Buttons are used to define an action that can be perf 2 min read Primer CSS Marketing FiltersPrimer CSS is a free open-source CSS framework that is built upon systems that create the foundation of the basic style elements such as spacing, typography, and color. It is highly reusable and flexible. It is created with GitHubâs design system.Filters are used to change the overall background or 2 min read Primer CSS Marketing LinksPrimer CSS is a free open-source CSS framework that is built upon systems that create the foundation of the basic style elements such as spacing, typography, and color. This systematic method makes sure our patterns are steady and interoperable with every other. Its approach to CSS is influenced by 2 min read Primer CSS Marketing TypographyTypography is a feature of Primer for styling and formatting the text content. It is used to create headings, subheadings, paragraphs, pull quotes, add more design-oriented font styles, and much more. It's responsive, but on a smaller scale, and the headlines are set in the marketing typeface.Primer 3 min read Like