How to: NYC Skyline nails 1. After applying your base coat, apply a shimmery orange polish. 2. Using a small angled brush dipped in black polish, paint the outline of the buildings. Make each building a different height for a more realistic look. 3. Fill in the buildings with your black polish. 4. Using your smallest dotting tool, add white dots for the lights on your tallest buildings. Clean up, and top coat it. All done!