Hi Forrest,
I am trying to work out something similar at the moment too (I don't have the Juliet template).
On the demo there looks to be an image in the top 3 row but I cannot see one in the top 2 row:
#container_top3_modules {
background-image: url(/demo/0153/images/top-3-bg.jpg);
}
This image:
https://www.joomla51.com/demo/0153/images/top-3-bg.jpg
If I do this it disappears for me:
#container_top3_modules {
background-image:none;
}
If you mean the family group at the bottom of the Juliet demo it seems to be in the bottom module row:
#container_bottom2_modules {
background-image: url(/demo/0153/images/testimonials_bg.jpg);
}
That is this image:
https://www.joomla51.com/demo/0153/images/testimonials_bg.jpg
When I changed the code to the following it disappeared
#container_bottom2_modules {
background-image: none;
}
Perhaps you could try something like that with the @media only screen code?
Good luck!