Emotion collapse components

7 collapses are styled using Emotion. A collapse is a vertically stacked list of interactive items. Each item can be "collapsed" with only a summary visible or “expanded” to show the full content for that item. Emotion is a styling library that allows you to write styles in JavaScript. This technique is known as CSS-in-JS. When you write CSS alongside your JavaScript component files, you’re naturally encouraged to scope styling at the component level. Emotion is used to style 14 projects.