The look of your Backdrop web site is governed by the theme you have installed and enabled. A Backdrop theme provides all the detailed parameters that are used by Backdrop core to define
The colors used on the page
The fonts used for text, headings, links, and other elements
The placement of images and graphics that are present on every page of the site (images and graphics associated with the page itself rather than a content item)
A theme can be as simple as a plain white canvas or as complex and visually energizing as your imagination can conjure up. This chapter explains the process of changing ...