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

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

.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background: rgba(127, 127, 127, 0.5);
}
.hero-lion {
  background-image: url("../images/carousel/c-lion.jpg");
  background-position: 50% 32%;

}
.hero-tiger {
  background-image: url("../images/carousel/c-tiger.jpg");
  background-position: 50% 18%;
}