er_4_join.mp4" type="video/mp4">
</video>
</div><div style="position: relative;">
  <div id="animation_2_play_button_" onclick="var animation_2 = document.getElementById('animation_2');
                if (animation_2.paused) {
                  animation_2.play();
                  this.style.display = 'none';
                } else {
                  animation_2.pause();
                  this.style.display = 'block';
                }" style="position:absolute;
              width:300px;
              h