.courses-top .courses-right .video .play,
.courses-top .courses-right .video:after {
  display: none;
}
.go-back {
  font-size: 45px;
  margin: 0 0 20px 0;
}
.go-back a {
  color: rgba(255, 255, 255, 0.5);
}
.go-back a:hover {
  color: #fff;
}
.cb-top,
.cb-desc,
.ci-title,
.ci-desc {
  display: none;
}
.ci-txt {
  align-items: end;
}
.cb-txt {
  align-items: end;
  height: 100%;
}
.ci-txt-con {
  margin-bottom: 40px;
}
body {
  overflow-x: hidden;
}
.show_on_tv {
  display: none;
  margin-top: 20px;
}
.x-btn-group .btn-share .buttons i {
  float: left;
}
.x-btn-group .btn.on {
  pointer-events: none;
  cursor: not-allowed;
}
.mi-video-box video {
  display: none;
}
.mi-video-box.only-mp4 video {
  display: block;
}
.mi-video-box.only-mp4 iframe {
  display: none;
}
.is_tv .mi-video-box iframe {
  display: none;
}
.is_tv :focus {
  outline: 2px solid #ff6801 !important;
}
.is_tv .mi-video-desc .more,
.is_tv .footer .ll,
.is_tv .x-photos-txt,
.is_tv .x-swi-btn-group,
.is_tv .x-photos-swi .pic::after,
.is_tv .btn-share {
  display: none !important;
}
.is_tv .btn-share,
.is_tv .footer .social {
  display: none !important;
}
.is_tv .page-nav {
  display: none;
}
.is_tv.page-nav_open .page-nav {
  display: block;
}
.is_tv .show_on_tv {
  display: block;
}
.is_tv .do-play-pause,
.is_tv .do-fullscreen {
  color: #fff;
  border: 1px solid;
  display: block;
  padding: 5px 10px;
  margin: 0 0 0 10px;
  float: right;
}