diff --git a/data-crystal.js b/data-crystal.js
index e7c64b6..795fc4b 100644
--- a/data-crystal.js
+++ b/data-crystal.js
@@ -1,10 +1,10 @@
 // ==UserScript==
 // @name            Data Crystal monospace
 // @namespace       github.com/euamotubaina
-// @version         2024-12-15
+// @version         2024-12-28
 // @description     Upgrade monospace font
 // @author          euamotubaina
-// @match           https://datacrystal.tcrf.net/*
+// @match           https://*.tcrf.net/*
 // @icon            https://www.google.com/s2/favicons?sz=64&domain=tcrf.net
 // @grant           none
 // @downloadURL     https://raw.githubusercontent.com/euamotubaina/userscripts/main/data-crystal.js
@@ -14,15 +14,12 @@
 (() => {
     'use strict';
 
-    window.addEventListener("load", () => {
-        // console.log(document.querySelectorAll("link[rel=stylesheet]"))
-        const linkEls = document.querySelectorAll("link[rel=stylesheet]");
-        if (linkEls) {
-            const preStyle = [...linkEls[1].sheet.cssRules].find(rule => rule.selectorText == 'textarea, pre, code, tt');
-            if (preStyle) {
-                preStyle.style.fontFamily = `"Roboto Mono", ${preStyle.style.fontFamily}`;
-            }
-        }
-    });
+    const customMonoEl = document.createElement('style');
+    customMonoEl.textContent = `
+textarea, pre, code, tt {
+    font-family: 'Roboto Mono', 'DejaVu Sans Mono', 'Droid Sans Mono', 'Lucida Console', monospace;
+}`;
+    document.head.appendChild(customMonoEl);
+
 
 })();