1. Visually observe and make sure all components are styled and displayed correctly. 2. Check the behavior on `:hover` of buttons and the like. 3. Check component interaction on `:focus` and `:active`. ## Notes: * The theme should look the same in each web browser, however there might be some minor quirks related to the engine of the browser like: * text not centered vertically (Firefox) * blurry icons (Firefox)