* {
  margin: 0;
  padding: 0;
}
.hero {
  height: 100vh;
  width: 100%;
  background-image: url(sunny\ backround.png);
  background-size: cover;
  background-position: center;
  position: relative;
  overflow: hidden;
  animation: sunnybackground 8s linear infinite;
}

.highway {
  height: 420px;
  width: 500%;
  display: block;
  background-image: url(road.png);
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 1;
  background-repeat: repeat-x;
  animation: highway 8s linear infinite;
}
@keyframes highway {
  100% {
    transform: translateX(-3400px);
  }
}
.city {
  height: 350px;
  width: 500%;
  background-image: url(city.png);
  position: absolute;
  /* bottom: 100; */
  top: 230px;
  left: 0;
  right: 0;
  display: block;
  z-index: 1;
  background-repeat: repeat-x;
  animation: city 30s linear infinite;
}
@keyframes city {
  100% {
    transform: translateX(-3400px);
  }
}
.car img {
  width: 200px;
  left: 50%;
  bottom: 130px;
  transform: translateX(-50%);
  position: absolute;
  z-index: 2;
}
@keyframes car {
  100% {
    transform: translateY(-1px);
  }
  50% {
    transform: translateY(1px);
  }
  0% {
    transform: translateY(1px);
  }
}
.wheel {
  left: 50%;
  bottom: 178px;
  transform: translateX(150%);
  position: absolute;
  z-index: 2;
}
.wheel img {
  width: 32px;
  height: 32px;
  animation: wheel 0.5s linear infinite;
}
.back-wheel {
  top: 3px;
  left: -75px;
  position: absolute;
}
.front-wheel {
  top: 3px;
  left: 40px;
  position: absolute;
}
@keyframes wheel {
  100% {
    transform: rotate(360deg);
  }
}