body{
    padding: 0;
    margin: 0;
    background: #000;
  }
  @keyframes sky{
    from{
      background-position: 100% 0;
    }
    to{
      background-position: -150% 0;
  
    }
  }
  
  @keyframes sea {
    from{
      background-position: 100% 0;
    }
    to{
      background-position: -250% 0;
    }
    
  }
  @keyframes man {
    from{
      background-position: 0px 0;
    }
    to{
      background-position: -672px 0;
    }
  }
  
  .sky{
    background: url(https://i.imgur.com/PhHVjgw.png);
    height: 148px;
    animation: sky 40s linear infinite;
  }
  .sea{
    background-image: url(https://i.imgur.com/h75XWy8.png);
    height: 142px;
    animation: sea 40s linear infinite;
  }
  .man{
    background: url(https://i.imgur.com/ifk0SLH.png) no-repeat;
    height: 156px;
    width: 112px;
    position: relative;
    bottom: 185px;
    animation: man 1s steps(6) infinite;
    margin: 0 auto;
    
  }