Layouts

Layouts are templates that wrap around your content. They allow you to have the source code for your template in one place so you don’t have to repeat things like your navigation and footer on every page.

Layouts live in the _layouts folder. The convention is to have a base template called default.html and have other layouts inherit from this as needed.

Usage

The first step is to put the template source code in default.html. content is a special variable, the value is the rendered content of the post or page being wrapped.

<!doctype html>
<html lang="en">
  <head>
    <meta charset="utf-8">
    <title>{{ page.title }}</title>
    <link rel="stylesheet" href="/css/style.css">
  </head>
  <body>
    <nav>
      <a href="/">Home</a>
      <a href="/blog/">Blog</a>
    </nav>
    <h1>{{ page.title }}</h1>
    <section>
      {{ content }}
    </section>
    <footer>
      &copy; to me
    </footer>
  </body>
</html>

You have full access to the front matter of the origin. In the example above, page.title comes from the page front matter.

Next you need to specify what layout you’re using in your page’s front matter.

---
title: My First Page
layout: default
---

This is the content of my page

The rendered output of this page is:

<!doctype html>
<html lang="en">
  <head>
    <meta charset="utf-8">
    <title>My First Page</title>
    <link rel="stylesheet" href="/css/style.css">
  </head>
  <body>
    <nav>
      <a href="/">Home</a>
      <a href="/blog/">Blog</a>
    </nav>
    <h1>My First Page</h1>
    <section>
      This is the content of my page
    </section>
    <footer>
      &copy; to me
    </footer>
  </body>
</html>

You can also use front matter defaults to save you from having to set a layout for every page. Note that if you have defaults in place and you don’t want a certain page to render in a layout, you can specify layout: none in the page’s front matter.

Inheritance

Layout inheritance is useful when you want to add something to an existing layout for a portion of documents on your site. A common example of this is blog posts, you might want a post to display the date and author but otherwise be identical to your base layout.

To achieve this you need to create another layout which specifies your original layout in front matter. For example this layout will live at _layouts/post.html:

---
layout: default
---
<p>{{ page.date }} - Written by {{ page.author }}</p>

{{ content }}

Now posts can use this layout while the rest of the pages use the default.

Variables

You can set front matter in layouts, the only difference is when you’re using in Liquid, you need to use the layout variable instead of page. For example:

---
city: San Francisco
---
<p>{{ layout.city }}</p>

{{ content }}

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