Focus indication on press on mobile

Hello

Low vision users in my team comment that when they press a button, particularly on mobile, a visual cue such as a focus highlight which responds to their tap would assist in identifying when that the button has been tapped. This doesn’t have to persist for more than the half a second when it is actually being interacted with. I don’t mean something to indicate a button is in some sort of ‘pressed‘ state - just a indication that the button has responded to the click. Is there anything about this in the guidelines?

Many thanks

Sarah

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