function setVideoCenter() {
  let $box = $('.slider-menu__slider-img_video');
  let height = $box.height();
  let width = $box.width();
  let new_height = width / 1.78;
  if (new_height > height) {
    $box.find('video').css({
        width: width,
        height: new_height,
        top: '0',
        left: '0',
    });
  } else {
    let new_width = height * 1.78;
    $box.find('video').css({
        width: new_width,
        height: height,
        top: '0',
        left: '-' + (new_width / 2 - width / 2) + 'px'
    });
  }
}

$(function(){
    setVideoCenter();
    $(window).resize(setVideoCenter);
});