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.
Center your page’s contents with a .container.
<div class="container">
<!-- contents here -->
</div>The container applies width: 980px; and uses horizontal margins to center it.
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:
.container to encapsulate everything and provide ample horizontal gutter space.<div class="columns">.<div class="column">s..one-fourth).In practice, your columns will look like the example below.
</code>
Columns can be centered by adding .centered to the .column class.
</code>