* {
  margin: 0;
  padding: 0;
}
.background-img {
  width: 100%;
  height: 80vh;
  margin: auto;
  position: relative;
  overflow: hidden;
}
.background-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
img {
  width: 100%;
}
.car {
  width: 20%;
  position: absolute;
  left: -19%;
  bottom: 0;
  animation: car1 5s ease-in 1s;
  animation-play-state: running;
}
.car2 {
  width: 20%;
  position: absolute;
  left: -17%;
  bottom: -26px;
  animation: car2 7s ease-in 2s;
  animation-play-state: running;
}
.bike {
  width: 15%;
  position: absolute;
  right: -13%;
  bottom: -45px;
  animation: bike 4s ease-out 5.5s;
  animation-play-state: running;
}
.tree {
  width: 30%;
  position: absolute;
  left: 21%;
  top: 28%;
  z-index: 99;
}
.sun {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  background: linear-gradient(to bottom, orange, red);
  position: absolute;
  left: 48%;
  top: 43%;
  transform: translate(-50%);
  z-index: 9;
  animation: sun 10s ease-in 0.2s;
  animation-play-state: running;
  animation-fill-mode: forwards;
}
@keyframes sun {
  0% {
    top: 43%;
  }
  25% {
    top: 38%;
    box-shadow: 0px 0px 70px 10px orange;
    width: 85px;
    height: 85px;
  }
  50% {
    top: 30%;
    box-shadow: 0px 0px 80px 20px orange;
    width: 90px;
    height: 90px;
  }
  75% {
    top: 20%;
    box-shadow: 0px 0px 100px 35px orange;
    width: 100px;
    height: 100px;
  }
  100% {
    top: 10%;
    box-shadow: 0px 0px 120px 40px orange;
    width: 110px;
    height: 110px;
  }
}
@keyframes car1 {
  100% {
    left: 90%;
  }
}
@keyframes car2 {
  60% {
    transform: rotate(0deg);
  }
  65% {
    left: 80%;
    transform: rotate(560deg);
  }
  100% {
    transform: rotate(560deg);
    left: 100%;
  }
}
@keyframes bike {
  100% {
    right: 100%;
  }
}