Improve Visual UI of Leap screens
Many screens in Leap are awash with 1px borders, which make it difficult to visually distinguish different areas of the system because of the "noise".
While there are lots of ares for UI improvement across Leap, this one might be an easy win, as shown in the side by side screenshots.

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Wes Osborn commented
One downside is the stronger boarders might seem to indicate something would be a required "area" but I'd probably be OK with trade off.