.hero {
  background: linear-gradient(rgba(0,0,0,0.5), rgba(0,0,0,0.5)), url('https://source.unsplash.com/1600x400/?office') no-repeat center center;
  background-size: cover;
  color: #fff;
  padding: 100px 0;
  text-align: center;
}

.hero h1 {
  font-size: 3rem;
  font-weight: bold;
}

.section {
  padding: 60px 0;
}

.section-title {
  margin-bottom: 30px;
  text-align: center;
  font-weight: bold;
}.hero h1 {
  font-size: 3rem;
  margin-bottom: 10px;
}

.hero p {
  font-size: 1.2rem;
}