GM addStyle
From GreaseSpot
- The correct title of this article is GM_addStyle. The substitution or omission of an _ is due to technical restrictions.
[edit] Description
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>.
[edit] Syntax
GM_addStyle( css )
- Value: Function
- Returns: Nothing
- Compatibility: Greasemonkey 0.6.1+
Parameters Properties css
- All properties are optional except css.
[edit] Properties
[edit] css
- Value: String
- Usage:
css = "body { color:red }";
[edit] Examples
GM_addStyle("body { color:white; background-color:black } img { border:0 }");
[edit] Notes
Add !important at the end of the code to override an existing value.

