Live edit a web page's CSS and styling without touching a line of code. Quickly try out new images using the Unsplash API, test colors, gradients and fonts or use it as a learning tool to figure out how things like padding and margin affects the layout of your page. As a developer you can quickly test changes without going into the console or uploading a new stylesheet. Designers you can do what you do best and try out new design ideas without having to learn CSS.