Владислав Лысков

const video = document.getElementById('about-course')
  video.addEventListener("click", () => { 
        if (video.paused == true) {
             video.play();
        }
        else{
             video.pause();
        }
  });
  setTimeout(() => video.click(), 2000)

a {
  display: inline-block;
}

.one .two .three{
   position: relative;
 }

.one, .two, .three{
   position: relative;
 }