#banner {
  background-position: center center;
  background-size: cover;
}

#banner .mask {
  background: linear-gradient(180deg, rgba(8, 15, 25, 0.35) 0%, rgba(8, 15, 25, 0.55) 100%);
}

#banner .slogan {
  text-shadow: 0 4px 24px rgba(0, 0, 0, 0.35);
}