html, body {
    margin: 0;
    padding: 0;
    width: 100%;
    height: 100%;
    display: table;
    overflow: hidden;
    background-color: black;
}

#prev {
  position: absolute;
  top: 50%;
  left: 3%;
  transform: translate(-10%, -50%);
}

#next {
  position: absolute;
  top: 50%;
  right: 3%;
  transform: translate(-10%, -50%);
}

#playButton {
  position: absolute;
  top: 50%;
  right: 50%;
  transform: translate(50%);
}

#imgDetail li { 
  display: inline; margin-right: 10px; 
}

#imgDetail ul {
  margin: 0 auto;
  display: block;
  width: 50%;
}

#imgDetail li { 
  display: inline; margin-right: 10px; 
}

#imgDetail a {
    text-decoration: none;
    display: inline-block;
    padding: 8px 16px;
}

#imgDetail a:hover {
  background-color: #7bbe9a;
  color: white;
  opacity: 1;
}

.previous {
  background-color: gray;
  opacity: 0.5;
  color: white;
}

.next {
  background-color: gray;
  opacity: 0.5;
  color: white;
}

.slideshow-container {
  display: table-cell;
  text-align: center;
  vertical-align: middle;
}

video {
  width: 100%    !important;
  height: auto   !important;
}