Layout

Layout allows setting the page width and space between columns or rows. for the site.

1. From your Shopify admin, go to Online Store -> Themes.

2. Find the theme that you want to edit, and then click Customize.

3. Click Theme Settings -> Layout.

Setting	Description
Page width	Determines the width of page layout. Can be from 1000px to 1800px, increasing arithmetically of 10px (pixel).
Space between template sections	Determines the space between template sections.

Grid

Setting	Description
Horizontal space	Determines the horizontal space between columns.
Vertical space	Determines the vertical space between rows.