# Format — Ghost theme documentation > Every documentation page for the Format Ghost theme, in Markdown. Each link below > is the page itself; drop the `.md` for the version a person reads in a browser. ## Setup - [Install Theme](https://www.priority.vision/docs/format/getting-started-install-theme.md): How to install Format Ghost theme. - [Routes Setup](https://www.priority.vision/docs/format/getting-started-routes-setup.md): Routes setup for Format Ghost theme. ## Essentials - [Comments](https://www.priority.vision/docs/format/essentials-comments.md): Format supports the Native Ghost Comments feature. You can enable or disable comments on your posts. - [Footer](https://www.priority.vision/docs/format/essentials-footer.md): Format theme comes with prebuilt footer copyright with links to Ghost and Format theme. - [Logos](https://www.priority.vision/docs/format/essentials-logos.md): Ghost provides a way to upload a logo for your site and calls it Publication logo. - [Navigation](https://www.priority.vision/docs/format/essentials-navigation.md): With Ghost you can add, edit and reorder navigation items. This guide will show you how to create and manage navigation items in your Ghost site. - [Social Links](https://www.priority.vision/docs/format/essentials-social-links.md): Format theme supports social links provided by Ghost as well as adding custom links. - [Social Sharing](https://www.priority.vision/docs/format/essentials-social-sharing.md): Format theme supports social sharing links in the post layout. - [Tables](https://www.priority.vision/docs/format/essentials-tables.md): The Ghost offers a straightforward method for creating simple tables. Additionally, the Format theme provides a way to use responsive tables. - [Typography](https://www.priority.vision/docs/format/essentials-typography.md): How to customize typography and fonts in the Format Ghost theme. ## Settings - [Homepage → Header](https://www.priority.vision/docs/format/settings-homepage/header.md): Homepage header settings in Format theme for Ghost. - [Homepage → Sections](https://www.priority.vision/docs/format/settings-homepage/sections.md): Homepage settings settings in Format theme for Ghost. - [Post → Feature Image Aspect Ratio](https://www.priority.vision/docs/format/settings-post/feature-image-aspect-ratio.md): Feature image aspect ratio settings in Format theme for Ghost. - [Site-wide → Color Scheme](https://www.priority.vision/docs/format/settings-sitewide/color-scheme.md): Dark / Light mode settings in Format theme for Ghost. - [Site-wide → Colors](https://www.priority.vision/docs/format/settings-sitewide/colors.md): Color settings in Format theme for Ghost. - [Site-wide → Footer](https://www.priority.vision/docs/format/settings-sitewide/footer.md): Footer settings in Format theme for Ghost. - [Site-wide → Header Style](https://www.priority.vision/docs/format/settings-sitewide/header-style.md): Header style settings in Format theme for Ghost. - [Site-wide → Hero Style](https://www.priority.vision/docs/format/settings-sitewide/hero-style.md): Hero style settings in Format theme for Ghost. - [Site-wide → Logos](https://www.priority.vision/docs/format/settings-sitewide/logos.md): Logo settings in Format theme for Ghost. - [Site-wide → Posts](https://www.priority.vision/docs/format/settings-sitewide/posts.md): Posts list style settings in Format theme for Ghost. - [Site-wide → Subscription Form](https://www.priority.vision/docs/format/settings-sitewide/subscription-form.md): Subscription Form settings in Format theme for Ghost. - [Site-wide → Tags](https://www.priority.vision/docs/format/settings-sitewide/tags.md): Format theme displays popular tags in the sidebar and on the custom Tags page. ## Pages - [Authors](https://www.priority.vision/docs/format/page-authors.md): Format comes with predefined Authors page. It contains the list of authors of your blog. - [Contact](https://www.priority.vision/docs/format/page-contact.md): How to add contact forms to your Ghost blog using any form service provider. - [Custom URLs](https://www.priority.vision/docs/format/page-custom-urls.md): Learn how to customize or remove built-in pages and their navigation links in the Format theme, including custom routes and predefined page templates. - [Recommendations](https://www.priority.vision/docs/format/page-recommendations.md): Format supports the Ghost feature called Recommendations. This feature allows you to display a page with URLs to tools and services you recommend. - [Tags](https://www.priority.vision/docs/format/page-tags.md): Format comes with predefined Tags page. It contains the list of tags. - [Writings](https://www.priority.vision/docs/format/page-writings.md): Format comes with predefined Writings page, which contains the list of posts. ## Membership - [Membership](https://www.priority.vision/docs/format/membership.md): Format supports the Membership features of Ghost. This includes the Membership page, which displays the available membership plans and allows visitors to sign up for them. - [Signin](https://www.priority.vision/docs/format/membership-signin.md): Format supports a sign-in page that you can use to allow users to sign in to your site. - [Signup](https://www.priority.vision/docs/format/membership-signup.md): Format supports a sign up page that allows visitors to create an account on your site. ## Customizations - [Code Injection](https://www.priority.vision/docs/format/custom-code-injection.md): There are multiple ways to add custom CSS and JS to your Ghost theme, including code injection and custom asset files. - [Code Syntax Highlight](https://www.priority.vision/docs/format/custom-code-syntax-highlight.md): By default, Ghost displays code cards without syntax highlighting. The Format theme adds syntax highlighting automatically to all code cards. - [Container Width](https://www.priority.vision/docs/format/custom-container-width.md): Learn how to customize the container width in Format theme to adjust the content area according to your needs. - [External Links In New Tab](https://www.priority.vision/docs/format/custom-external-links-in-new-tab.md): By default in Ghost, all links in your posts are opened in the same browser window. Sometimes you may want to open external links in a new tab. - [Image Lightbox](https://www.priority.vision/docs/format/custom-image-lightbox.md): The Format theme includes a built-in lightbox feature for image galleries. Learn how to use and customize this feature. - [Page Transitions](https://www.priority.vision/docs/format/custom-page-transitions.md): Learn how to turn off smooth page transition animations in the Format theme. - [Portal Signup Button](https://www.priority.vision/docs/format/custom-portal-signup-button.md): The Format theme includes a customized Sign Up button within the subscription form. This button is located in the footer on all pages and in the header of the homepage. - [Post Featured Video](https://www.priority.vision/docs/format/custom-post-featured-video.md): The Featured Video feature allows you to showcase videos at the top of your posts, similar to featured images, enhancing your content's visual appeal. - [Table Of Contents](https://www.priority.vision/docs/format/custom-table-of-contents.md): The Table of Contents feature automatically generates a navigable index for your posts, improving content structure and reader navigation. ## Advanced - [AI Agents](https://www.priority.vision/docs/format/advanced-ai-agents.md): Format ships with an AGENTS.md file, so AI coding agents such as Claude Code, Cursor, and Codex know how to build the theme and which features it already has. - [Deploying Theme With GitHub Actions](https://www.priority.vision/docs/format/advanced-deploying-theme-with-github-actions.md): Learn how to automate your Ghost theme deployment using GitHub Actions for a streamlined workflow. - [Editing Theme Code](https://www.priority.vision/docs/format/advanced-editing-theme-code.md): Learn how to edit theme files and build source assets to customize your Ghost theme's appearance and functionality. - [Ghost Config](https://www.priority.vision/docs/format/advanced-ghost-config.md): All ghost themes provides `package.json` file with predefined configurations. You can edit this file to change the theme configurations. - [Theme Translation](https://www.priority.vision/docs/format/advanced-theme-translation.md): Translations are used both when you want to add a new language and when you want to edit strings used in the theme. - [Updating Theme](https://www.priority.vision/docs/format/advanced-updating-theme.md): Learn how to safely update your Ghost theme while preserving custom modifications. Step-by-step guide includes file comparison tools, troubleshooting tips, and best practices for theme updates. ## Troubleshooting - [Improve PageSpeed Score](https://www.priority.vision/docs/format/troubleshooting-improve-pagespeed-score.md): Practical guidance for improving your Ghost site's PageSpeed score with realistic expectations and proven optimization techniques. - [Slow Loading And Failed Content Queries](https://www.priority.vision/docs/format/troubleshooting-slow-loading-and-failed-content-queries.md): Diagnose and resolve Ghost site performance issues including slow loading and "Could not load content" errors. Address database performance, resource constraints, and server optimization for large installations.