div.yt-youtube {
  overflow: hidden;
  -webkit-box-shadow:  0 1px 4px rgba(0, 0, 0, 0.3);
  -moz-box-shadow:  0 1px 4px rgba(0, 0, 0, 0.3);
  box-shadow:  0 1px 4px rgba(0, 0, 0, 0.3);
}
div.yt-youtube.pull-none {
  margin-bottom: 2em;
}
div.yt-youtube.pull-left {
  margin: 0 1em 1em 0;
}
div.yt-youtube.pull-right {
  margin: 0 0 1em 1em;
}
div.yt-youtube iframe {
  border: none;
  float: left;
}
div.yt-youtube iframe {
  border: none;
}
.yt-responsive-media-yes {position: relative;padding-bottom: 56.25%;height: 0;overflow: hidden;}
.yt-responsive-media-yes iframe,
.yt-responsive-media-yes object,
.yt-responsive-media-yes embed {position: absolute;top: 0;left: 0;width: 100%;height: 100%;}
.yt-youtube { margin: 0 0 1.5em 0 }
.yt-youtube iframe { border: none !important }