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GM_addStyle

Authors:

This API method adds a string of CSS to the document.

It creates a new <style> element, adds the given CSS to it, and inserts it into the <head>.

GM_addStyle( css )

Value: Function
Returns: undefined
Compatibility: Greasemonkey 0.6.1 - 3.12.0
Access: @grant

Parameters

Properties
css

Value: String
Usage: css = "body { color: red }";

GM_addStyle("body { color: white; background-color: black } img { border: 0 }");

GM_addStyle("body { color: white; background-color: black }\
  img { border: 0 }\
  .footer { width: 875px; }");

GM_addStyle(`

body { color: white; background-color: black }
img { border: 0 }
.footer { width: 875px; }

`);

GM_addStyle(<><![CDATA[

body { color: white; background-color: black }
img { border: 0 }
.footer { width: 875px; }


]]></>.toString()
);