Visual primitives for the component age. Use the best bits of ES6 and CSS to style your apps without stress!
You can see more details in this issue https://github.com/styled-components/styled-components/issues/1333
A brand new createGlobalStyle API, the hot-reloadable and themable replacement for the old injectGlobal
The main difference is that it creates a component that you have to render in any of your views. The values that you send to the function remain the same.
injectGlobal is a one-off drop of styles on the page, whereas createGlobalStyle can be updated, themed, and passed props like a normal styled component but still places its styles in the global scope