<div id="body">

<div id="car">

​

</div>

<div class="circle">

  .....

</div>

<div class="circle">

  ......

  </div></div>

<div id="back">

#back{

  height:20px;

  background:black;

}

.circle{

  border-radius:90px;

  width:100px;

  height:100px;

  background:red;

  display:inline-block;

  animation:rote 3s infinite;

}

@keyframes rote{

  to{transform:rotate(360deg);}

}

#car{

  height:50px;

  width:200px;

  background:orange;

}

#body{

  border:1px solid;

  animation:margin 5s infinite;

}

@keyframes margin{

  to{margin-left:220px;}

}