.title-img {
  z-index: 1;
}

.title-img-background {
  opacity: 0.5;
  width: 100%;
  height: 100%;
  background: url("../images/building/Indoor2.cbac1ce7209d.jpg") no-repeat;
  overflow: hidden;
  background-size: cover;
  position: absolute;
  top: 0;
  left: 0;
  z-index: 0;
}

.carousel-img {
  width: 100% !important;
  height: 70vh;
}