@charset "utf-8";
.youtube {
  position: relative;
  padding-bottom: 56.25%;
  padding-top: 30px;
  margin-bottom: 7px;
  height: 0;
  overflow: hidden;
}
.youtube iframe {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
}