I hope you have me patience, I am new in this.
A gradient is a range of colors organized. Function? Visually give a transition smooth and progressive.
You must choice two (or more) point of circle of color and make them.
If you don`t know what colors use, visit this: https://cssgradient.io/
The gradients were super played out back in the early web days, but them come back. You can see Instagram Logo, it`s about gradient pink, yellow and violet.
Why Quarantine?
I want to explain the use of the gradient using a common evil, quarantine, I choice Yellow to Red. Look this:
In this image, the gradient explains the level of insanity a locked human can carry on with a computer and a program like illustrator (I hate Corel, sorry, i´m a professional jajaja)
Well, if you like this, you know what to do.