html, body 
{
	height: 100%; 
	margin: 0;
}
	div.bg 
	{
		position: absolute; 
		width: 100%; 
		height: 100%; 
		background-position: center bottom; 
		background-repeat: no-repeat;
		z-index: -1;
	}
div#background1 
{
	background: url(../images/bg_dotted.png);
}
div#background2 
{
	background: url(../images/bg_dotted2.png);
}
div#background3 
{
	background: url(../images/bg_dotted3.png);
}