.mktoForm button[type="submit"]:after { content: "Download Now"; } .mktoForm button[type="submit"][disabled]:after { content: "Please Wait"; } MktoForms2.loadForm("//app-sjg.marketo.com", "579-JML-927", 3847, function(form) { // Set the value of hidden fields form.vals({ lastFilledOutFormURL:document.location.href, lastFilledOutForm:document.title, lastFilledOutFormDate:new Date().toISOString()}); });