GM_addStyle

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Description

This 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>.

Compatibility: Greasemonkey 0.6.1+

Syntax

function GM_addStyle( css )

Arguments

css
String A string of CSS.

Examples

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

Notes

  • Add !important at the end of a CSS declaration to override an existing value (i.e. values the page specifies).
  • Using Multi Line Strings may be helpful.