mer = document.getElementById('timer')
    const minute = document.getElementById('min')
    const seconds = document.getElementById('sec')
    const message = document.getElementById('message')

    let interval
    let totalSeconds = 120
    let isTimerRunning = false

    function setAriaLive() {
      timer.setAttribute('aria-live', 'polite')
      setTimeout(() => {
        timer.removeAttribute('aria-live')
      }, 100)
    }

    startButton.addEventListener('click', () => {
      if (!isTimerRunnin