.hero {
  min-height: 300px;
  background-size: cover;
  background-position: 50% 25%;
  position: relative;
}

.hero .container {
  position: relative;
  z-index: 2;
}

.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.7);
}

.hero-lion {
  background-image: url("../images/carousel/c-lion.jpg");
}

.hero-tiger {
  background-image: url("../images/carousel/c-tiger.jpg");
}

.hero-jaguar {
  background-image: url("../images/carousel/c-jaguar.jpg");
}

.hero-leopard {
  background-image: url("../images/carousel/c-leopard.jpg");
}