Primer Layout

Primer’s layout includes basic page containers and a single-tiered, fraction-based grid system. That sounds more complicated than it really is though—it’s just containers, rows, and columns.

This repository is a module of the full primer repository.

Install

This repository is distributed with npm. After installing npm, you can install primer-layout with this command.

$ npm install --save primer-layout

Usage

The source files included are written in Sass (scss) You can simply point your sass include-path at your node_modules directory and import it like this.

@import "primer-layout/index.scss";

You can also import specific portions of the module by importing those partials from the /lib/ folder. Make sure you import any requirements along with the modules.

Build

For a compiled css version of this module, a npm script is included that will output a css version to build/build.css The built css file is also included in the npm package.

$ npm run build

Documentation

Primer's layout includes basic page containers and a single-tiered, fraction-based grid system. That sounds more complicated than it really is though—it's just containers, rows, and columns.

You can find all the below styles in _layout.scss.

Container

Center your page's contents with a .container.

<div class="container border">
  Container
</div>

The container applies width: 980px; and uses horizontal margins to center it.

Grid

How it works

The grid is pretty standard—you create rows with .columns and individual columns with a column class and fraction class. Here's how it works:

Add a .container to encapsulate everything and provide ample horizontal gutter space.
Create your outer row to clear the floated columns with <div class="columns">.
Add your columns with individual <div class="column">s.
Add your fractional width classes to set the width of the columns (e.g., .one-fourth).

Demo

In practice, your columns will look like the example below.

<div class="container">
  <div class="columns mb-1">
    <div class="one-fifth column block-blue p-3 border">
      .one-fifth
    </div>
    <div class="four-fifths column block-blue p-3 border">
      .four-fifths
    </div>
  </div>

  <div class="columns mb-1">
    <div class="one-fourth column block-blue p-3 border">
      .one-fourth
    </div>
    <div class="three-fourths column block-blue p-3 border">
      .three-fourths
    </div>
  </div>

  <div class="columns mb-1">
    <div class="one-third column block-blue p-3 border">
      .one-third
    </div>
    <div class="two-thirds column block-blue p-3 border">
      .two-thirds
    </div>
  </div>

  <div class="columns">
    <div class="one-half column block-blue p-3 border">
      .one-half
    </div>
    <div class="one-half column block-blue p-3 border">
      .one-half
    </div>
  </div>
</div>

Centered

Columns can be centered by adding .centered to the .column class.

<div class="columns">
  <div class="one-half column centered block-blue border p-3">
    .one-half
  </div>
</div>

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