ass="mdl-dialog__title">Quit Running App?</h3>
    <div class="mdl-dialog__content">
      <p id="quitAppDialogText">
        Y is already running. Would you like to quit Y?
      </p>
    </div>
    <div class="mdl-dialog__actions">
      <button type="button" class="mdl-button mdl-js-button mdl-button--raised mdl-button--colored mdl-js-ripple-effect" id="cancelQuitApp">No</button>
      <button type="button" class="mdl-button mdl-js-button mdl-button--raised mdl-button--colored mdl-js-ripple-effect" id="c