Can I inject a CSS file programmatically using a content script js file?

Question

Can I inject a CSS file programmatically using a content script js file?

It is possible for me to inject the css when the js file is linked to my popup.html. The pro

Answer 1

You can programmatically create a new tag and add it to the section just like JS files are loaded dynamically.

var link = document.createElement("link");
link.href = "http://example.com/mystyle.css";
link.type = "text/css";
link.rel = "stylesheet";
document.getElementsByTagName("head")[0].appendChild(link);

Here's an article on the topic.