div.jumbotron.hero-technology {
  background-image: url('hero-background-technology.jpg');
}

h1.hero-title, h2.hero-title, h3.hero-title {
  text-shadow: 0 3px 3px rgba(0,0,0,0.4);
  color: #fff;
}

p.hero-subtitle {
  max-width: 600px;
  margin: 25px auto;
  padding: 10px 15px;
  color: #fff;
}