body {
  font-family: Arial, sans-serif;
  background: #f8f9fa;
}
.navbar-brand {
  font-weight: bold;
  letter-spacing: 1px;
}
.hero {
  background: linear-gradient(rgba(0,0,0,.6),rgba(0,0,0,.6)),
  url('https://images.unsplash.com/photo-1520975922284-9d1a3b5f2d49') center/cover;
  color: white;
  padding: 80px 20px;
}
.section-title {
  border-left: 5px solid #000;
  padding-left: 10px;
  margin: 30px 0 20px;
}
.card:hover {
  transform: translateY(-3px);
  transition: .3s;
}
footer {
  background: #111;
  color: #fff;
  padding: 30px;
  margin-top: 40px;
}