nav.yt-playlist-btn ul {
  background: #F5F5F5;
  width: 100%;
  -webkit-box-sizing: border-box;
  -moz-box-sizing: border-box;
  box-sizing: border-box;
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 8px;
  padding: 8px;
}
nav.yt-playlist-btn ul li a {
  width: 100%;
  height: 100%;
  text-decoration: none;
  color: #fff;
  background-color: #0D0D0D;
  padding: 0.5em;
  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: #8B170D;
  color: #fff;
}
nav.yt-playlist-btn ul li a.yt-playing:after {
  content: "Now Playing";
  background-color: #fff;
  border: 1px solid #8B170D;
  color: #8B170D;
  display: inline-block;
  line-height: 1.25;
  font-size: 70%;
  padding: 0 .5em;
  position: absolute;
  top: -5px;
  right: -4px;
}
#story nav.yt-playlist-btn ul {
  background: rgba(210, 190, 188, .5);
}
@media all and (min-width: 768px) {
  nav.yt-playlist-btn ul li {
    width: calc((100% - 8*2px)/3);
  }
  nav.yt-playlist-btn ul li a {
    font-size: 130%;
  }
  #story nav.yt-playlist-btn ul li {
    /*    width: calc((100% - 8px)/2);*/
    width: calc((100% - 8 * 2px) / 3);
  }
}
@media all and (max-width: 767px) {
  nav.yt-playlist-btn ul {
    padding: 1.5%;
    gap: 1vw;
  }
  nav.yt-playlist-btn ul li {
    width: calc((100% - 8px)/2);
  }
  nav.yt-playlist-btn ul li a {
    padding: 1.8vw;
    font-size: 4vw;
  }
  #info nav.yt-playlist-btn ul li a {
    font-size: 3.5vw;
    line-height: 125%;
  }
  nav.yt-playlist-btn ul li a.yt-playing:after {
    font-size: 2.5vw;
  }
}