Use Background Options (Brilliant/Styling Options/Background Options) to set your background from our gallery or using our color shemes.

Also you can set a custom background image for your website – add, edit or remove it in Brilliant/General Options/Backgrounds Manager.

Just upload an image you’d like to see as your site’s background.

If this image will be smaller than the screen’s size, it will be replicated.
This image also shouldn’t be bigger than 2 Mb. If the chosen background image is smaller, but you prefer to leave it single, you may set this option:

By the way! You may set any background to every single page you add to your site! To set a custom background you should Edit your page and follow to Brilliant Custom Background Options: