A snippet to emphasize the current AWS Console session's account name.

promoteAccountName.js

//  A native Javascript snippet to display or emphesize the AWS account name in the AWS Console.
//  Usage:  Runs in your favourite user js browser add-on.
//          E.g. 'User JavaScript and CSS' add-on for Chrome/Chromium.
function promoteAccountName() {
    if(window.location.href.indexOf("console.aws.amazon.com") > -1) {
    // Element containing the account name.
    var x	=	document.getElementById("awsc-login-display-name-account").textContent;
    // Elements with text content to manipulate.
    var y	=	document.querySelector("a#nav-usernameMenu div.nav-elt-label");
    var z	=	document.querySelector("head > title");
    // Manipulate the elements.
        if (x.length > 0) {
            y.textContent	=	x;
            z.textContent	=	"AWS "+x;
        }
    }
}
// Check DOMContentLoaded didn't fire before our function got a chance to run.
if (document.readyState === "loading") {
	document.addEventListener("DOMContentLoaded", promoteAccountName);
  } else {
    promoteAccountName();
  }