#background-video {
  height: 100vh;
  width: 100vw;
  object-fit: cover;
  position: fixed;
  left: 0;
  right: 0;
  top: 0;
  bottom: 0;
  z-index: -1;
}

h1, h2, #btnVideo {
  color: white;
  font-family: 'Special Gothic Expanded One';
  text-align: center;
}

h1 {
  font-size: 4rem;
  margin-top: 25vh; 
}

h2 { font-size: 5rem; }

#btnVideo {
  font-size: 1.5rem;
  background: 0;
  border: 0;
  margin-left: 50%;
  transform: translateX(-50%);
}