/* YouTube Video 100% responsive on page Start / by Richard Kircher (c)2018/ www.richukunst.ch */
.youtube-container-100 {
position: relative;
padding-bottom: 56.25%; /* 16:9 */
padding-top: 0;
height: 0; 
overflow: hidden;
box-shadow: 0px 13px 14px 0px rgba(50, 50, 50, 0.81);
}
.youtube-container-100 iframe,
.youtube-container-100 embed {
position: absolute;
top: 0;
left: 0;
width: 100%;
height: 100%;
}
/* YouTube Video 100% responsive on page End / by Richard Kircher (c)2018/ www.richukunst.ch */