video {
  position: relative;
  text-align: center;
  top: 0;
  left: 0;
  width: 100%;
  height: 475px;
  color: #fff;
  overflow: hidden;
  margin: 0 auto;
}

video .fullscreen-video {
  position: absolute;
  background-color: rgba(12, 11, 10, 0.5);
  left: 50%;
  top: 0;
  -ms-transform: translateX(-50%);
  -webkit-transform: translateX(-50%);
  transform: translateX(-50%);
  min-width: 100%;
  min-height: 100%;
  z-index: -100;
}

@media (min-width: 768px) {
  header {
    height: 665px;
  }
}

.drk:after {
  content: "";
  display: block;
  position: absolute;
  top: 0;
  bottom: 0;
  left: 0;
  right: 0;
  background: rgb(131, 131, 131);
  opacity: 0.6;
}