body {
  margin: 0px;
  padding: 0px;
  background-image: url(49tb.gif);
  background-size: cover;
  background-repeat: no-repeat;
  }

#container {
  width: 600px;
  height: 800px;
  padding-top: 80px;
  margin: 0 auto;
  }

.bar{
  width: 20px;
  height: 50px;
  margin: 0 12px;
  border-radius: 50px;
  float: left;
  }

.bar:nth-child(1) {
	background-color: #E6E6FA;
	animation: down  1.5s infinite ease-in-out;
    }

.bar:nth-child(2) {
	background-color: #E6E6FA;
	animation: up  1.4s infinite ease-in-out;
    }

.bar:nth-child(3) {
	background-color: #E6E6FA;
	animation: down  1.3s infinite ease-in-out;
    }

.bar:nth-child(4) {
	background-color: #E6E6FA;
	animation: up  1.2s infinite ease-in-out;
    }

.bar:nth-child(5) {
	background-color: #E6E6FA;
	animation: down  1.1s infinite ease-in-out;
    }

.bar:nth-child(5) {
	background-color: #E6E6FA;
	animation: up  1.1s infinite ease-in-out;
    }

.bar:nth-child(6) {
	background-color: #E6E6FA;
	animation: down  1.1s infinite ease-in-out;
    }

.bar:nth-child(6) {
	background-color: #E6E6FA;
	animation: up  1.1s infinite ease-in-out;
    }

.bar:nth-child(7) {
	background-color: #E6E6FA;
	animation: down  1.1s infinite ease-in-out;
    }

.bar:nth-child(8) {
	background-color: #E6E6FA;
	animation: up   1.1s infinite ease-in-out;
    }

.bar:nth-child(9) {
	background-color: #E6E6FA;
	animation: down  1.1s infinite ease-in-out;
    }

.bar:nth-child(10) {
	background-color: #E6E6FA;
	animation: up  1.1s infinite ease-in-out;
    }

.bar:nth-child(11) {
	background-color: #E6E6FA;
	animation: down 1.1s infinite ease-in-out;
    }

.bar:nth-child(12) {
	background-color: #E6E6FA;
	animation: up 1.1s infinite ease-in-out;
    }
@keyframes up {
  0% { transform: translateY(-75px); background-color: #FFFACD; }
  50% { transform: translateY(75px); background-color: #FFDAB9;}
  100% { transform: translateY(-75px);background-color: #FFFACD;}
  }
  
@keyframes down {
  0% { transform: translateY(75px);background-color: #FFDAB9;}
  50% { transform: translateY(-75px);background-color: #FFFACD;}
  100% { transform: translateY(75px);background-color: #FFDAB9;}
   } 