body {
  font-family: Arial, Helvetica, sans-serif;
}

.hero {
  background-image: linear-gradient(
      rgba(0,0,0,0.6),
      rgba(0,0,0,0.6)
    ),
    url("https://upload.wikimedia.org/wikipedia/commons/3/3a/Russell_Westbrook.jpg");
  background-size: cover;
  background-position: center;
  color: white;
}