GM_addStyle
From GreaseSpot Wiki
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>
.
Syntax
GM_addStyle( css )
- Value: Function
- Returns: undefined
- Compatibility: Greasemonkey 0.6.1+
Parameters Properties css
- All properties are optional except css.
Properties
css
- Value: String
- Usage:
css = "body { color:red }";
Examples
GM_addStyle("body { color: white; background-color: black } img { border: 0 }");
Spanned over multiple lines using E4X:
GM_addStyle(<><![CDATA[ body { color: white; background-color: black } img { border: 0 } .footer { width: 875px; } ]]></>.toString());
Spanned over multiple lines using line continuation character.
GM_addStyle("body { color: white; background-color: black }\ img { border: 0 }\ .footer { width: 875px; }");
Notes
Add !important
at the end of the code to override an existing value.