@charset "utf-8";
@import url('https://cotanfoods.sakura.ne.jp/data/colorme02/css/items.css'); 
.youtube {
  position: relative;
  padding-bottom: 56.25%;  /* ²£16:½Ä9 */
  height: 0;
  overflow: hidden;
}
.youtube iframe {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
}