Hi Suraj,
Even I was having the same question as how to set a background image or add different color gradients to the screen. I had chalked out the solution and sharing the same with you below:
1. For adding background image to you main content, you need to open up the 'CSS' icon on the mid-top-left of your service studio screen
2. Then click on 'Base Theme' option and copy all the content/code from that window (use Ctrl+A from your keyboard)
3. Now click on your app name (you'll find it on top of your screen just beside 'Base Theme' and paste that copied content/code
4. Now go back to your app screen and double click on background of your main content i.e. where you want to set the image or color gradient and then again open up the 'CSS' icon on the mid-top-left of your service studio screen
5. Now you have to look for -
.main-content {
-servicestudio-display: flex;
-servicestudio-flex-direction: column;
}
6. Now here you can add image or any other related requirement for example I had added color gradient as you can see below
.main-content {
-servicestudio-display: flex;
-servicestudio-flex-direction: column;
background-image: conic-gradient(red, yellow, green);
}
Hope this help and resolve your issue.
Cheers,
Kunal Dhoble