[Find which page stylesheet contains a certain css text] #javascript

find.js

for (var sheetI=0; sheetI<document.styleSheets.length; sheetI+=1) {
    try {
      var foundRule = Array.from(document.styleSheets[sheetI].cssRules).find(rule => rule.cssText.includes(".intercom-sg4b1o"));
      console.log("found? doc", sheetI, " - ", foundRule);
    } catch (error) { console.log(error); }
}