body {
  font-family: Arial, sans-serif;
  margin: 0;
  padding: 0;
  background: #f9f9f9;
  color: #333;
}
.hero {
  background: url('../img/hero-bg.svg') no-repeat center center;
  background-size: cover;
  height: 300px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  text-align: center;
}
.hero .overlay {
  background: rgba(0,0,0,0.5);
  padding: 20px;
  border-radius: 10px;
}
main {
  padding: 20px;
}
footer {
  background: #222;
  color: #fff;
  text-align: center;
  padding: 10px;
}