Background image Setup in Conceptly Lite?

In WordPress Dashboard go to the Appearance submenu and click on Customize.

After clicking on customize you will in theme Customizer.

Here you have to click on the Home Page Section.

Here you have to click on the Home Page Section than Background Image Section

In Background image Here you Manage background image.

Go to Customize ->HomePage Section-> Background Image Section -> Add New Image

After clicking on customize you will in theme Customizer.

Here you have to click on the Home Page Section.

Here you have to click on the Home Page Section than Background Image Section

In Preset Here you Manage the background image preset position.

Go to Customize ->HomePage Section-> Background Image Section -> Preset

After clicking on customize you will in theme Customizer.

Here you have to click on the Home Page Section.

Here you have to click on the Home Page Section than Background Image Section

In Position & image Size Here you Manage background image.

Go to Customize ->HomePage Section-> Background Image Section -> Position & image Size