body {
  margin: 0;
  padding: 0;
}

.hero {
  height: 897px;
  background-image: url("gradientV2.jpg");
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  position: relative;
}

@media (min-width: 200px) {

.hero-star-1 {
  width: 100%;
  height: 291px;
  position: absolute;
  margin-left: 12%;
  top: 77px;
  background-image: url("droneM210.png") ;
  background-repeat: no-repeat;
  transform: translate3d(0, -300px, 0);
  opacity: 0;
}
}
@media (min-width: 900px){
.hero-star-1 {
  width: 100%;
  height: 283px;
  position: absolute;
  margin-left: 19%;
  top: 77px;
  background-image: url("droneM210.png");
  background-repeat: no-repeat;
  transform: translate3d(0, -300px, 0);
  opacity: 0;


}
}

.hero-img-city1 {
  width: 435px;
  height: 400px;
  background-image: url("city3.png");
  background-repeat: no-repeat;
  transform: translate3d(0, 500px, 0);
  opacity: 0;
  position: absolute;
  
}

.hero-img-city2 {
  width: 435px;
  height: 451px;
  background-image: url("city2.png");
  background-repeat: no-repeat;
  transform: translate3d(0, 500px, 0);
  opacity: 0;
  position: absolute;
}



.hero-bottom-img {
  width: 50%;
  height: 250px;
  background-image: url("droneM210.png");
  position: relative;
}

.image-title {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
}

.hero-caption {
  text-align: center;
  margin-bottom: 40px;
  font-size: 46px;
  opacity: 0;
}