div.mov-inner {
  position: relative;
  height: 0;
  padding-top: 56.25%;
  background-color: #000;
}
div.mov-inner iframe {
  position: absolute;
  left: 0;
  top: 0;
  width: 100%;
  height: 100%;
}
nav.yt-playlist-btn ul {
  width: 100%;
  -webkit-box-sizing: border-box;
  -moz-box-sizing: border-box;
  box-sizing: border-box;
  display: flex;
  flex-flow: row wrap;
  justify-content: center;
  gap: 4px;
  padding: .25em;
}
nav.yt-playlist-btn ul li a {
  width: 100%;
  height: 100%;
  text-decoration: none;
  color: #fff;
  background-color: #0050FE;
  padding: .6em;
  line-height: 1.5;
  position: relative;
  text-align: center;
  display: flex;
  align-items: center;
  justify-content: center;
  box-sizing: border-box;
}
nav.yt-playlist-btn ul li a.yt-playing {
  background-color: #fff;
  color: #0050FE;
  border: 1px solid #0050FE;
}
nav.yt-playlist-btn ul li a.yt-playing:after {
  content: "NOW PLAYING";
  background-color: #0050FE;
  color: #fff;
  display: inline-block;
  line-height: 1.25;
  font-size: .7rem;
  padding: 0 .3em;
  position: absolute;
  top: -5px;
  right: -4px;
}
.yt-player:nth-of-type(2), .yt-player:nth-of-type(3) {
  margin-top: 1em;
}
@media all and (min-width: 768px) {
  nav.yt-playlist-btn ul li {
    width: calc((100% - 4px)/2);
  }
  nav.yt-playlist-btn ul li a {
    font-size: 85%;
  }
}
@media all and (max-width: 767px) {
  nav.yt-playlist-btn ul {
    padding: 1% 1%;
    gap: 1vw;
  }
  nav.yt-playlist-btn ul li {
    width: calc((100% - 8px)/2);
  }
  nav.yt-playlist-btn ul li a {
    font-size: 3.2vw;
  }
  nav.yt-playlist-btn ul li a.yt-playing:after {
    font-size: 2.25vw;
  }
}