div.jumbotron.hero-photography1 {
  color: #fff;
  text-align: center;
  background: url('../../assets/img/HowLaplaceGetSucceeded/LaplaceRobotfundamentals.jpg');
  background-size: cover;
  background-position: center;
  padding-top: 10px;
  padding-bottom: 100px;
  filter: brightness(109%) contrast(109%) grayscale(100%) saturate(0%);
  height: 275px;
  border-radius: 0px !important;
}

div.jumbotron.hero-photography {
  color: #fff;
  text-align: center;
  background: url('../../assets/img/HowLaplaceGetSucceeded/LaplaceRobotmathematical.jpg');
  background-size: cover;
  background-position: center;
  padding-top: 10px;
  padding-bottom: 100px;
  filter: brightness(109%) contrast(109%) grayscale(100%) saturate(0%);
  height: 275px;
  border-radius: 0px !important;
}

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;*/
  color: #fff;
}