body {
	margin: 0px;
	padding: 0px;
	background-color: #0970b0;
    }

#container {
	width: 600px;
	height: 500px;
	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: #f20a15;
	animation: down 0.7s infinite ease-in-out;
    }
	
.bar:nth-child(2) {
	background-color: #f56105;
	animation: up 0.6s infinite ease-in-out;
    }
	
.bar:nth-child(3) {
	background-color: #f0d829;
	animation: down 0.23s infinite ease-in-out;
    }
	
.bar:nth-child(4) {
	background-color: #4df029;
	animation: up 0.4s infinite ease-in-out;
    }
	
.bar:nth-child(5) {
	background-color: #f0d829;
	animation: down 0.8s infinite ease-in-out;
    }
	
.bar:nth-child(6) {
	background-color: #f20a15;
	animation: up 0.28s infinite ease-in-out;
    }
	
.bar:nth-child(7) {
    background-color: #f56105;
	animation: down 0.48s infinite ease-in-out;
    }
	
.bar:nth-child(8) {
	background-color: #f0d829;
	animation: up 0.4s infinite ease-in-out;
    }
	
.bar:nth-child(9) {
	background-color: #4df029;
	animation: down 0.44s infinite ease-in-out;
    }
	
.bar:nth-child(10) {
	background-color: #1347d6;
	animation: up 0.67s infinite ease-in-out;
    }
	
.bar:nth-child(11) {
	background-color: #f20a15;
	animation: down 0.5s infinite ease-in-out;
    }
	
.bar:nth-child(12) {
	background-color: #f56105;
	animation: up 0.8s infinite ease-in-out;
    }
	

@keyframes up {
	0% { transform: translatey(-75px);}
	50% { transform: translatey(75px);}
	100% { transform: translatey(-75px);}
  }	

@keyframes down {
	0%{ transform: translatey(75px);}
	50%	{ transform: translatey(-75px);}
	100% { transform: translatey(75px);}
  }