So, i use image icons as my source select buttons. Basically, there is the image and then a clear button over top. I want to make the active state of that button to be a translucent halo or something to highligh/show which source is selected.
I'm trying to find something. I have some semi transparent graphics that maybe i can make the center even more so to creat the effect, but I'm no wizard at graphics, so any creative ideas is appreciated.
Here as an example of an icon