* { box-sizing: border-box; }
.video-background {
  background: #000;
  position: fixed;
  top: 0; right: 0; bottom: 0; left: 0;
  z-index: -99;
}
.video-foreground,
.video-background iframe {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
}
#vidtop-content { position: absolute; left:20px; bottom:20px; right:20px; background: rgba(0,0,0,0.3); color: #fff; padding: 1rem; font-family: Avenir, Helvetica, sans-serif; }
#vidtop-content h1 { font-size: 2rem; font-weight: 700; margin-top: 0; line-height: 1.2; }
#vidtop-content .center { text-align: center; }
#vidtop-content .center a { display:inline-block; color: #fff; text-decoration: none; background:#333; padding:20px 30px; }
#vidtop-content .logo { float:right; }
#vidtop-content .logo img { width:200px; }
@media (min-aspect-ratio: 16/9) {
  .video-foreground { height: 300%; top: -100%; }
}
@media (max-aspect-ratio: 16/9) {
  .video-foreground { width: 300%; left: -100%; }
}
@media all and (max-width: 600px) {
  #vidtop-content { max-height:200px; overflow-y:auto; }
  #vidtop-content .logo { display:none; }
}