.vjs-htvthumbnail-holder {
  position: absolute;
  left: -1000px;
  overflow:unset !important;
  bottom:75px !important;
}

.vjs-htvthumbnail {
  position: absolute;
  left: 0;
  bottom: 1.3em;
  opacity: 0;
  transition: opacity .2s ease;
  -webkit-transition: opacity .2s ease;
  -moz-transition: opacity .2s ease;
  -mz-transition: opacity .2s ease;
}

.vjs-progress-control:hover .vjs-htvthumbnail,
.vjs-progress-control.fake-active .vjs-htvthumbnail,
.vjs-progress-control:active .vjs-htvthumbnail {
  opacity: 1;
}

.vjs-progress-control:hover .vjs-htvthumbnail:hover,
.vjs-progress-control:active .vjs-htvthumbnail:active {
  opacity: 0;
}