Summary
Step 1: Select the template
From the Omi homepage:
Click on the Templates section in the left menu.
You can then go to the Start from scratch category
Select the Basic template
Step 2: What light to use?
Go to your scene
Click on the Lights section
Then click on the Universal tab
Select the Default light
Step 3: What color to choose for the background?
Click on your background
Select the black color:
Black ▻ Color code: #070707
Apply the color
And here is the rendering! ↓
If you want your background to be white:
Click on your background
Select the default white color
Black ▻ Color code: #ffffff
Scroll to the bottom of the tab to Advanced Materials
Apply the Glossy Plastic
And here is the rendering! ↓