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Use CSS to style HTML elements or add custom CSS and JavaScript to fully customize the look and feel of your documentation.

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Styling with Tailwind CSS

Use Tailwind CSS v3 to style HTML elements. You can control layout, spacing, colors, and other visual properties. Some common classes are:
  • w-full - Full width
  • aspect-video - 16:9 aspect ratio
  • rounded-xl - Large rounded corners
  • block, hidden - Display control
  • dark:hidden, dark:block - Dark mode visibility
Tailwind CSS arbitrary values are not supported. For custom values, use the style prop instead. 
<img style={{ width: '350px', margin: '12px auto' }} src="/path/image.jpg" />

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Custom CSS

Add CSS files to your repository and their defined class names will be applied and available in all of your MDX files.

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Adding style.css

For example, you can add the following style.css file to customize the styling of the navbar and footer. 
#navbar {
  background: #fffff2;
  padding: 1rem;
}

footer {
  margin-top: 2rem;
}

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Using identifiers and selectors

Mintlify has a set of common identifiers and selectors to help you tag important elements of the UI.
Use inspect element to find references to elements you’re looking to customize.
  • APIPlaygroundInput: api-playground-input
  • AssistantEntry: assistant-entry
  • AssistantEntryMobile: assistant-entry-mobile
  • Banner: banner
  • ChangelogFilters: changelog-filters
  • ChangelogFiltersContent: changelog-filters-content
  • ChatAssistantSheet: chat-assistant-sheet
  • ChatAssistantTextArea: chat-assistant-textarea
  • ContentArea: content-area
  • ContentContainer: content-container
  • ContentSideLayout: content-side-layout
  • Footer: footer
  • Header: header
  • NavBarTransition: navbar-transition
  • NavigationItems: navigation-items
  • Navbar: navbar
  • PageContextMenu: page-context-menu
  • PageContextMenuButton: page-context-menu-button
  • PageTitle: page-title
  • Pagination: pagination
  • Panel: panel
  • RequestExample: request-example
  • ResponseExample: response-example
  • SearchBarEntry: search-bar-entry
  • SearchBarEntryMobile: search-bar-entry-mobile
  • SearchInput: search-input
  • Sidebar: sidebar
  • SidebarContent: sidebar-content
  • TableOfContents: table-of-contents
  • TableOfContentsContent: table-of-contents-content
  • TableOfContentsLayout: table-of-contents-layout
  • TopbarCtaButton: topbar-cta-button
  • Accordion: accordion
  • AccordionGroup: accordion-group
  • AlmondLayout: almond-layout
  • AlmondNavBottomSection: almond-nav-bottom-section
  • AlmondNavBottomSectionDivider: almond-nav-bottom-section-divider
  • Anchor: nav-anchor
  • Anchors: nav-anchors
  • APISection: api-section
  • APISectionHeading: api-section-heading
  • APISectionHeadingSubtitle: api-section-heading-subtitle
  • APISectionHeadingTitle: api-section-heading-title
  • Callout: callout
  • Card: card
  • CardGroup: card-group
  • ChatAssistantSheet: chat-assistant-sheet
  • ChatAssistantSheetHeader: chat-assistant-sheet-header
  • ChatAssistantSheetContent: chat-assistant-sheet-content
  • ChatAssistantInput: chat-assistant-input
  • ChatAssistantSendButton: chat-assistant-send-button
  • CodeBlock: code-block
  • CodeGroup: code-group
  • Content: mdx-content
  • DropdownTrigger: nav-dropdown-trigger
  • DropdownContent: nav-dropdown-content
  • DropdownItem: nav-dropdown-item
  • DropdownItemTextContainer: nav-dropdown-item-text-container
  • DropdownItemTitle: nav-dropdown-item-title
  • DropdownItemDescription: nav-dropdown-item-description
  • DropdownItemIcon: nav-dropdown-item-icon
  • Expandable: expandable
  • Eyebrow: eyebrow
  • FeedbackToolbar: feedback-toolbar
  • Field: field
  • Frame: frame
  • Icon: icon
  • Link: link
  • LoginLink: login-link
  • Logo: nav-logo
  • Mermaid: mermaid
  • MethodNavPill: method-nav-pill
  • MethodPill: method-pill
  • NavBarLink: navbar-link
  • NavTagPill: nav-tag-pill
  • NavTagPillText: nav-tag-pill-text
  • OptionDropdown: option-dropdown
  • PaginationNext: pagination-next
  • PaginationPrev: pagination-prev
  • PaginationTitle: pagination-title
  • Panel: panel
  • SidebarGroup: sidebar-group
  • SidebarGroupIcon: sidebar-group-icon
  • SidebarGroupHeader: sidebar-group-header
  • SidebarNavGroupDivider: sidebar-nav-group-divider
  • SidebarTitle: sidebar-title
  • Step: step
  • Steps: steps
  • Tab: tab
  • Tabs: tabs
  • TabsBar: nav-tabs
  • TabsBarItem: nav-tabs-item
  • TableOfContents: toc
  • TableOfContentsItem: toc-item
  • Tooltip: tooltip
  • TopbarRightContainer: topbar-right-container
  • TryitButton: tryit-button
  • Update: update
References and the styling of common elements are subject to change as the platform evolves. Please use custom styling with caution.

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Custom JavaScript

Custom JS allows you to add custom executable code globally. It is the equivalent of adding a <script> tag with JS code into every page.

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Adding custom JavaScript

Any .js file inside the content directory of your docs will be included in every documentation page. For example, you can add the following ga.js file to enable Google Analytics across the entire documentation. 
window.dataLayer = window.dataLayer || [];
function gtag() {
  dataLayer.push(arguments);
}
gtag('js', new Date());

gtag('config', 'TAG_ID');
Please use with caution to not introduce security vulnerabilities.