.i-large,
.i-medium,
.i-small {
	position : absolute;
	top : 0; left :0; bottom: 0; right: 0;
}
.i-large {
	background:url(../img/natal/particules_large.png) repeat 0px 0px;
	-webkit-animation : dropFlowParticles 2s linear infinite;
		 -o-animation : dropFlowParticles 2s linear infinite;
			animation : dropFlowParticles 2s linear infinite;
}
.i-medium {
	background:url(../img/natal/particules_medium.png) repeat 0px 0px;
	-webkit-animation : dropFlowParticles 12s linear infinite;
		 -o-animation : dropFlowParticles 12s linear infinite;
			animation : dropFlowParticles 12s linear infinite;
}
.i-small {
	background:url(../img/natal/particules_small.png) repeat 0px 0px;
	-webkit-animation : dropFlowParticles 27s linear infinite;
		 -o-animation : dropFlowParticles 27s linear infinite;
			animation : dropFlowParticles 27s linear infinite;
}
@-webkit-keyframes dropFlowParticles {
	from { background-position: 0 0; }
	to { background-position: 0 413px; }
}
@keyframes dropFlowParticles {
	from { background-position: 0 0; }
	to { background-position: 0 413px; }
}