body { font-family: 'Roboto', sans-serif; }
    .hero-bg {
      background-image: linear-gradient(rgba(15,23,42,.75), rgba(15,23,42,.75)), url('https://images.pexels.com/photos/259588/pexels-photo-259588.jpeg?auto=compress&cs=tinysrgb&w=1600');
    }