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Change Standard Scrollbar

Changes default scrollbar to more simple one

K instalaci tototo skriptu si budete muset nainstalovat rozšíření jako Tampermonkey, Greasemonkey nebo Violentmonkey.

You will need to install an extension such as Tampermonkey to install this script.

K instalaci tohoto skriptu si budete muset nainstalovat rozšíření jako Tampermonkey nebo Violentmonkey.

K instalaci tohoto skriptu si budete muset nainstalovat rozšíření jako Tampermonkey nebo Userscripts.

You will need to install an extension such as Tampermonkey to install this script.

K instalaci tohoto skriptu si budete muset nainstalovat manažer uživatelských skriptů.

(Už mám manažer uživatelských skriptů, nechte mě ho nainstalovat!)

You will need to install an extension such as Stylus to install this style.

You will need to install an extension such as Stylus to install this style.

You will need to install an extension such as Stylus to install this style.

You will need to install a user style manager extension to install this style.

You will need to install a user style manager extension to install this style.

You will need to install a user style manager extension to install this style.

(Už mám manažer uživatelských stylů, nechte mě ho nainstalovat!)

// ==UserScript==
// @name         Change Standard Scrollbar
// @namespace    https://github.com/RedCommander735
// @version      1.1
// @description  Changes default scrollbar to more simple one
// @author       RedCommander735
// @icon         https://www.google.com/s2/favicons?sz=64&domain=tampermonkey.net
// @grant        none
// @match        *://*/*
// @license      WTFPL
// @grant GM_addStyle
// ==/UserScript==

(function() {

    var c = window.getComputedStyle( document.body ,null).getPropertyValue('background-color');

    var rgb = c.match(/\d+/g);
    var color = 0;

    var o = Math.round(((parseInt(rgb[0]) * 299) + (parseInt(rgb[1]) * 587) + (parseInt(rgb[2]) * 114)) /1000);
    console.log(o);
    if(o > 125) {
        color = 0;
    }else{
        color = 255;
    }

        var css = (`
::-webkit-scrollbar {
  width: 10px;
}
::-webkit-scrollbar-track {
  background: rgb(${color}, ${color}, ${color}, .3);
  filter: brightness(.1);
}
/* Handle */
::-webkit-scrollbar-thumb {
  background: rgb(${color}, ${color}, ${color}, .45);
  filter: brightness(.25);
}
/* Handle on hover */
::-webkit-scrollbar-thumb:hover {
  background: rgb(${color}, ${color}, ${color}, .65);
  filter: brightness(.5);
}
`);

        if (typeof GM_addStyle !== "undefined") {
            GM_addStyle(css);
        } else {
            var styleNode = document.createElement("style");
            styleNode.appendChild(document.createTextNode(css));
            (document.querySelector("head") || document.documentElement).appendChild(styleNode);
        }
})();