<div class="trainAnimation">
  <div class="content">
    <div class="buildings"></div>
    <div class="windows"></div>
    <div class="bridge"></div>
    <div class="train">
      <div class="carOne"></div>
      <div class="carTwo"></div>
      <div class="carThree"></div>
    </div>
    <div class="moon"></div>
    <div class="stars"></div>
  </div>
</div>
                     
       
body {
  display: flex;
  justify-content:center;
  align-items: center;
  height: 100vh;
}

.trainAnimation {
  position: relative;
}

.content {
  position: relative;
  width:400px;
  height: 400px;
  background-color: #164668;
  border-radius:50%;
  overflow: hidden;
}

.buildings {
  position: relative;
  background-color: rgba(5, 51, 83);
  width: 80px;
  height: 300px;
  left:0;
  top:150px;
  box-shadow: 80px 40px rgba(5, 51, 83), 120px -30px rgba(5, 51, 83), 150px 20px rgba(5, 51, 83), 190px -10px rgba(5, 51, 83, 0.5), 30px -10px rgba(5, 51, 83,0.5), 220px 70px rgba(5, 51, 83), 280px -25px rgba(5, 51, 83, 0.5), 360px 20px rgba(5, 51, 83,0.5),270px 30px rgba(5, 51, 83), 320px 70px rgba(5, 51, 83);
}

.buildings:before {
  position: absolute;
  content:"";
  width: 10px;
  height:15px;
  background-color: rgb(252,163,17);
  left:13px;
  top:10px;
  box-shadow: 23px 0px rgb(252,163,17,0.7), 47px 0px rgb(252,163,17,0.2), 0px 30px rgb(252,163,17,0.2), 23px 30px rgb(252,163,17,0.2), 47px 30px rgb(252,163,17), 120px -30px rgb(252,163,17,0.6), 140px -30px rgb(252,163,17), 160px -30px rgb(252,163,17,0.2),120px 0px rgb(252,163,17,0.2),140px 0px rgb(252,163,17,0.2), 160px 0px rgb(252,163,17,0.2), 270px 30px rgb(252,163,17,0.2), 290px 30px rgb(252,163,17,0.2),310px 30px rgb(252,163,17,0.5);
}

.buildings:after {
  content:"";
  position: absolute;
  background-color: #041c2d;
  width: 100px;
  height:250px;
  top:90px;
  box-shadow:100px 30px #041c2d,150px -10px #041c2d, 230px 50px #041c2d, 300px -20px #041c2d;
}

.windows {
  position: absolute;
  background-color: rgb(252,163,17);
  width: 20px;
  height: 25px;
  left:310px;
  top:230px;
  box-shadow: 30px 0 rgb(252,163,17), 60px 0 rgb(252,163,170,0.3),30px 40px rgb(252,163,170,0.3), 60px 40px rgb(252,163,17), -140px 20px rgb(252,163,17), -100px 20px rgb(252,163,17,0.3), -100px 60px rgb(252,163,17),-250px 30px rgb(252,163,17,0.8),-250px 70px rgb(252,163,17,0.2),-290px 30px rgb(252,163,17,0.2);
}

.windows:before {
  content:"";
  position: absolute;
  background-color: rgb(252,163,17,0.1);
  width: 25px;
  height:7px;
  left:-73px;
  top:-80px;
  box-shadow: 50px 15px rgb(252,163,17,0.1), 125px 40px rgb(252,163,17,0.1), 125px 55px rgb(252,163,17,0.1);
}

.windows:after {
  content:"";
  position: absolute;
  background-color: rgb(252,163,17);
  width: 15px;
  height: 20px;
  top:-50px;
  left:-102px;
  box-shadow: -115px 20px rgb(252,163,17), 47px 50px rgb(252,163,17);
  animation: flash 4s ease infinite alternate;
}

@keyframes flash {
	from { opacity: 0.6; }	
	to { opacity: 0.1; }
}

.bridge {
  position: absolute;
  z-index:4;
  width:400px;
  height:5px;
  top:280px;
  border-bottom: 5px solid #333;
  border-top: 2px solid #333;
}

.bridge:after, .bridge:before {
  content:"";
  position: absolute;
  background-color: #333;
}

.bridge:before {
  width:2px;
  height:5px;
  left:60px;
  box-shadow:110px 0px #333,160px 0px #333,270px 0px #333,320px 0px #333;
}

.bridge:after {
  width:15px;
  height:150px;
  left:110px;
  box-shadow: 160px 0 #333;
}

.train {
  position: absolute;
  z-index:3;
  animation: move 6s linear infinite;
}

@keyframes move {
	from{left:-170px;}
	to{left:100%}
} 

.carOne {
  position: absolute;
  width: 100px;
  height:30px;
  background-color: #9e2a2b;
  left:220px;
  top:-50px;
  border-radius: 0 30px 0 0;
  overflow:hidden;
  box-shadow: inset 0 -5px #540b0e;
}

.carOne:before {
  content:"";
  position: absolute;
  width: 40px;
  height: 15px;
  background-color: #540b0e;
  top:5px;
  left:60px;
}

.carOne:after {
  content:"";
  position: absolute;
  background-color: #540b0e;
  width:40px;
  height:7px;
  left:10px;
  top:10px;
}

.carTwo {
  position: absolute;
  height: 30px;
  width:90px;
  background-color: #9e2a2b;
  left:125px;
  top:-50px;
  box-shadow: inset 0 -5px #540b0e;
}

.carTwo:before {
  content:"";
  position: absolute;
  background-color: #540b0e;
  width:30px;
  height:7px;
  top:10px;
  left:10px;
  box-shadow: 40px 0px #540b0e;
}

.carTwo:after {
  position: absolute;
  content:"";
  background-color: #210405;
  border-radius:50%;
  width:10px;
  height:10px;
  top:30px;
  left:180px;
  box-shadow:-20px 0 #210405,-40px 0 #210405,-60px 0 #210405,-80px 0 #210405,-100px 0 #210405,-120px 0 #210405,-140px 0 #210405,-160px 0 #210405,-180px 0 #210405,-200px 0 #210405,-220px 0 #210405,-240px 0 #210405,-260px 0 #210405,-280px 0 #210405;
}

.carThree {
  position: absolute; 
  width: 100px;
  height:30px;
  background-color: #9e2a2b;
  border-radius: 30px 0 0 0;
  overflow:hidden;
  box-shadow: inset 0 -5px #540b0e;
  left:20px;
  top:-50px;
}

.carThree:before {
  content:"";
  position: absolute;
  background-color: #540b0e;
  width: 40px;
  height: 15px;
  top:5px;
}

.carThree:after {
  content:"";
  position: absolute;
  background-color: #540b0e;
  width:40px;
  height:7px;
  top:10px;
  left:50px;
}

.moon {
  position: absolute;
  width:30px;
  height:30px;
  border-radius:50%;
  box-shadow: 5px 5px rgb(234, 226, 183);
  top:60px;
  left:200px;
}

.moon:before {
  content:"";
  position: absolute;
  background-color: rgb(234, 226, 183,0.2);
  border-radius: 50%;
  width:40px;
  height:40px;
}

.moon:after {
  content:"";
  position: absolute;
  background-color: rgb(234, 226, 183,0.1);
  border-radius: 50%;
  top:-5px;
  left:-5px;
  width:50px;
  height:50px;
}

.stars {
  position: absolute;
  background-color: #fff;
  height:1px;
  width:1px;
  top:70px;
  left:150px;
  box-shadow: -70px 30px #fff,-40px -10px #fff,-20px -20px #fff, 34px -10px #fff,50px -30px #fff, -30px 23px #fff, 95px -10px #fff, 120px -15px #fff, 140px 20px #fff, 155px 30px #fff;
}
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