insert-styles 
Insert CSS styles into an HTML document
Install
$ npm install --save insert-styles
Usage
var insertStyles = //=> <head><style> h1 { ... }</style></head>API
insertStyles(styles, [options]) -> void
styles
Required. The string of styles to insert into the DOM.
options
id
Calling insertStyles with the same options.id multiple times will re-use the same <style> element each time.
Related
License
MIT © Ben Drucker