main{
  margin-top: 32px;
}
h1 {
  position: absolute;
  top: 50%;
  left: 50%;
  padding: 8px;
  background: black;
  border-radius: 8px;
  margin: 0;
  font-size: 64px;
  font-family: "Roboto Slab", serif;
  transform: translate(-50%,-50%);
}

#banner {
  height: 100vh;
  position: relative;
  text-align: center;

  color: white;
}
#banner > img{
  opacity: .9;
  object-fit: cover;
  width: 100vw;
  height: 100vh;
}