Enable scroll on Youtube / Vimeo hover

This code allows you to fix the issue with scroll on iframe hover for such video players as YouTube or Vimeo in several lines of CSS code

HTML

<div class="container">
  <div class="iframe-wrapper">
    <iframe src="https://player.vimeo.com/video/113009024?color=b8b8b8&title=0&byline=0&portrait=0" width="640" height="360" frameborder="0" webkitallowfullscreen mozallowfullscreen allowfullscreen></iframe>
  </div>
  
  <div class="iframe-wrapper">
    <iframe width="560" height="315" src="https://www.youtube.com/embed/8TJiOm5KHys" frameborder="0" allow="autoplay; encrypted-media" allowfullscreen></iframe>
  </div>
</div>

CSS

/* Mask container to increase document height to let you see the effect */
.container {
  height: 1200px;
}

/* Iframe wrapper that allows to make youtube iframe responsive */
.iframe-wrapper {
  position: relative;
  padding-bottom: 56.25%; /* 16:9 */
  padding-top: 15px;
  height: 0;
  max-width: 400px;
}

/* Responsive iframe styles */
iframe {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
}

/* Adding pseudo element to iframe parent */
.iframe-wrapper:after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 1;
  display: block;
}

/* Adding hover effect to pseudo element */
.iframe-wrapper:hover:after {
  content: none;
}