.md_iframe_image{background:#fff}.md_iframe_image a{border:2px solid #fff;display:block;position:relative}.md_iframe_image a:hover{opacity:.6}.md_iframe_image a::before{background:url(https://www.scorer.jp/hubfs/youtube_social_icon_red.png) center center / 64px 45px no-repeat;content:"";display:block;width:64px;height:45px;margin:-32px auto 0;position:absolute;top:50%;left:0;right:0;z-index:1}.md_iframe_image a img{width:100%;height:auto}