Using simple 'Animate Item' and 'Show/Hide' interactions to have the boxes disappear and realign accordingly. Can be used as a base on how you can build notifications or lists to realign themselves.

This prototype showcases a new Proto.io feature called Gradients, it’s a new way to create and animate gradients straight in Proto.io. You can now make your UI pop with vibrant linear or radial colors, and bring to life with beautiful animations.