Fixed Video On-Scroll

fixed_vid.css

<style>
  /* Replace with your 'close' button ID */
  #lp-pom-button-16 {
    display:none;
  }
  
  .lp-pom-video{
    transition:all 0.4s linear;
  }
.smallVid {
    left: 0 !important;
    top: 0 !important;
  	z-index: 999 !important;
    ms-transform: scale(0.5, 0.5);
    -webkit-transform: scale(0.5, 0.5);
    transform: scale(0.5, 0.5);
    -webkit-transform-origin-x: 0;
    -webkit-transform-origin-y: 0;
    transform-origin:0 0;
    position: fixed !important;
    display: block !important;
    box-shadow: 0px 0px 10px 3px rgba(0,0,0,0.3);
  }
  .vidAdjust{
  	margin-top: 1%;
    margin-left: 1%;
  }   
</style>

fixed_vid.js

<script>
  //Replace with your video's ID
  var video = "#lp-pom-video-13";
  //Replace with your 'close' button ID
  var button = "#lp-pom-button-16";
  //Optional: adjust in pixels when the video transitions
  var showHeight = 400;
  
  var targetClass = "smallVid";
  var adjustClass = "vidAdjust";
  var classSelect = ".smallVid";
  var noClose = true;
  var initWidth = $(video).width();
  var initHeight = $(video).height();
  $(window).scroll( function() {
  if ($(this).scrollTop() > showHeight && noClose) {
    $(video).addClass(targetClass + " " + adjustClass);
    $(button).addClass(targetClass);
  } else {
    $(video).removeClass(targetClass, adjustClass);
    $(button).removeClass(targetClass);
  }
});
  $(button).click(function(){
    $(video).removeClass("smallVid vidAdjust");
    $(button).removeClass("smallVid");
    targetClass - null;
    adjustClass - null;
    noClose = false;
  });
</script>

view demo ???

@threshnoberly check this post out for a demo & instructions:
https://community.unbounce.com/t/how-to-add-a-sticky-video-widget/4085