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    javascript - How to change CSS-Style with Greasemonkey? - Stack Overflow

    matteradmin14PV0评论

    I'm trying to write a small script for Greasemonkey, but it does not work, because I have little experience.

    It is necessary to replace all properties CSS with a value (background: #fff;) on (background: #e8e8e8;).

    I'm trying to write a small script for Greasemonkey, but it does not work, because I have little experience.

    It is necessary to replace all properties CSS with a value (background: #fff;) on (background: #e8e8e8;).

    • javascript
    • css
    • greasemonkey
    Share Improve this question edited Aug 31, 2017 at 16:06 Vova Dima asked Aug 31, 2017 at 11:14 Vova DimaVova Dima 111 silver badge2 bronze badges 1
    • 2 To change CSS you use Stylish instead. – user5734311 Commented Aug 31, 2017 at 11:16
    Add a ment  | 

    2 Answers 2

    Reset to default 4 
    // ==UserScript==
// @name        Background color change
// @namespace   https://website here
// @description Changes the background color
// @version     1
// @grant       none
// ==/UserScript==

document.body.style.background = "white";

    Simply add, 

    GM_addStyle("body { background-color: #fff !
    important; }");

    Important may not be needed.

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