text: let curentHour = new Date().getHours() % 12;
  let curentMinute = new Date().getMinutes();
  let hour = document.getElementsByClassName('hour')[0];
  let minute = document.getElementsByClassName('minute')[0];
  let offset = 60; // initialy watch arrows are on 2 o'clock.
  let degHour = 30;
  let degMinute = 6;
  let degMinuteInHour = 0.5;
  hour.style.transform = `rotate(${curentHour * degHour - offset + curentMinute * degMinuteInHour}deg)`;
  minute.style.transform = `rotate(${curentMinute * degMinute - offset}deg)`;