.hero {
  min-height: 60vh;
  background: #111 url('https://images.unsplash.com/photo-1511379938547-c1f69419868d?q=80&w=1600&auto=format&fit=crop') center/cover no-repeat;
}
.hero .container { text-shadow: 0 2px 18px rgba(0,0,0,.5); }